chore(meta): release v0.1.23

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Merge remote-tracking branch 'origin/visual'
2026-03-04 23:27:06 +01:00 · 2026-03-04 23:24:33 +01:00 · 2026-03-04 23:16:22 +01:00 · 2026-03-04 23:10:48 +01:00 · 2026-03-04 23:08:10 +01:00 · 2026-03-04 23:01:26 +01:00
383 changed files with 38396 additions and 3715 deletions
@@ -44,7 +44,7 @@ Named after Qatux, the Raiel with perfect memory who helped Paula Myo by recalli
 - **Work in dedicated round files:** All new rounds happen in `docs/discussions/round-NN-topic.md` from the start. DISCUSSION.md is retired for new content.
 - **Update the discussion index ONLY when closing:** After a round is formally closed, update `docs/discussions/README.md` with the round entry (number, topic, decisions produced, file link).
 - **Update briefings:** After a round produces new decisions, update the relevant agent briefing files in `docs/briefings/`.
- **Re-index documents:** After archiving or updating documents, re-index them in Qdrant via `db/connectors/qdrant-index <path>`.
+- **Re-index documents:** After archiving or updating documents, re-index them in Qdrant via `tooling/db/qdrant-index <path>`.

 ## Team workflow (mandatory)

@@ -1,6 +1,6 @@
 # Local Services

-Endpoints are also preconfigured in `db/connectors/config.json`.
+Endpoints are also preconfigured in `tooling/db/config.json`.

 - **Gitea:** `http://git.schweitz.internal` (login: `schweitz`)
 - **Qdrant:** `http://tower-of-joy:6333/`
@@ -17,11 +17,14 @@ docs/
  workshops/          # Workshop briefs and outputs
 db/
  schema.sql          # Database schema
-  connectors/         # Connector scripts for SQLite and Qdrant
+tooling/
+  db/                 # Connector scripts for SQLite, Qdrant, and audio
    config.json       # Endpoint configuration
    ticket            # Ticket CLI
+    sprint            # Sprint lifecycle CLI
    sqlite_connector.py   # SQLite mini MCP
    qdrant_connector.py   # Qdrant + ollama mini MCP
+    audio_connector.py    # Stable Audio Open connector
 .claude/
  agents/             # Agent personality files
  skills/             # Skill definitions
@@ -25,20 +25,22 @@
      "Bash(git ls-tree *)",
      "Bash(git rev-parse --show-toplevel)",

-      "Bash(db/connectors/ticket *)",
-      "Bash(db/connectors/sprint *)",
-      "Bash(db/connectors/sqlite-query *)",
-      "Bash(db/connectors/sqlite-exec *)",
-      "Bash(db/connectors/qdrant-search *)",
-      "Bash(db/connectors/qdrant-index *)",
-      "Bash(db/connectors/qdrant-health)",
-      "Bash(db/connectors/qdrant-count)",
-      "Bash(db/connectors/sqlite-init)",
-      "Bash(db/connectors/decisions-sync)",
+      "Bash(tooling/db/ticket *)",
+      "Bash(tooling/db/sprint *)",
+      "Bash(tooling/db/sqlite-query *)",
+      "Bash(tooling/db/sqlite-exec *)",
+      "Bash(tooling/db/qdrant-search *)",
+      "Bash(tooling/db/qdrant-index *)",
+      "Bash(tooling/db/qdrant-health)",
+      "Bash(tooling/db/qdrant-count)",
+      "Bash(tooling/db/sqlite-init)",
+      "Bash(tooling/db/decisions-sync)",
+      "Bash(tooling/db/decision *)",

-      "Bash(db/connectors/audio-generate *)",
-      "Bash(db/connectors/audio-health)",
-      "Bash(db/connectors/audio-post *)",
+      "Bash(tooling/db/audio-generate *)",
+      "Bash(tooling/db/audio-health)",
+      "Bash(tooling/db/audio-post *)",
+      "Bash(tooling/db/audio-batch *)",

      "Bash(make *)",
      "Bash(make)",
@@ -13,7 +13,7 @@ description: >
 # Audio Generation — The Settled Reach

 Generate sonically consistent audio assets using the Stable Audio Open API via
-wrapper scripts at `db/connectors/audio-*`.
+wrapper scripts at `tooling/db/audio-*`.

 Asset descriptions, filenames, bus routing, and design intent are documented in
 `docs/assets/audio/`. This skill provides the prompt system, generation
@@ -25,21 +25,21 @@ workflow, and quality validation.

 ```bash
 # Check API health
-db/connectors/audio-health
+tooling/db/audio-health

 # Generate a single asset (WAV only)
-db/connectors/audio-generate "prompt text" \
+tooling/db/audio-generate "prompt text" \
  --duration 10 --steps 100 --cfg 7 \
  --output path/to/output.wav

 # Generate + post-process in one command (WAV → trim → normalize → OGG)
-db/connectors/audio-generate "prompt text" \
+tooling/db/audio-generate "prompt text" \
  --duration 10 --steps 100 --cfg 7 \
  --output path/to/gen/intermediate.wav \
  --output-ogg client/assets/audio/final.ogg

 # Batch-generate from a manifest (preferred for multiple assets)
-db/connectors/audio-batch docs/assets/audio/batch-s10-327.json
+tooling/db/audio-batch docs/assets/audio/batch-s10-327.json
 ```

 ### Parameters
@@ -138,16 +138,16 @@ AMB-001, SFX-002, UI-005). This couples the manifest to the asset inventory.

 ```bash
 # Full run
-db/connectors/audio-batch docs/assets/audio/batch-s10-327.json
+tooling/db/audio-batch docs/assets/audio/batch-s10-327.json

 # Dry run — preview what would be generated
-db/connectors/audio-batch docs/assets/audio/batch-s10-327.json --dry-run
+tooling/db/audio-batch docs/assets/audio/batch-s10-327.json --dry-run

 # Generate only specific assets
-db/connectors/audio-batch docs/assets/audio/batch-s10-327.json --only AMB-001,AMB-002
+tooling/db/audio-batch docs/assets/audio/batch-s10-327.json --only AMB-001,AMB-002

 # Skip assets that already have OGG files
-db/connectors/audio-batch docs/assets/audio/batch-s10-327.json --skip-existing
+tooling/db/audio-batch docs/assets/audio/batch-s10-327.json --skip-existing
 ```

 ### 3. Update asset docs with prompts
@@ -190,8 +190,8 @@ For one-off generation or iteration on a specific asset:
 2. Read `references/sonic-palette.md` for the sonic family prefix.
 3. Read `references/category-templates.md` for the matching template.
 4. Assemble the full prompt.
-5. Run `db/connectors/audio-health` to verify the API is up.
-6. Run `db/connectors/audio-generate` with `--post` or `--output-ogg` to
+5. Run `tooling/db/audio-health` to verify the API is up.
+6. Run `tooling/db/audio-generate` with `--post` or `--output-ogg` to
   generate and post-process in one step.
 7. Verify the output (file size, duration).
 8. Update the asset status and prompt in `docs/assets/audio/{category}.md`.
@@ -218,12 +218,12 @@ If you need to post-process separately (e.g., re-normalizing an existing file):

 ```bash
 # Full pipeline: trim → normalize → convert
-db/connectors/audio-post pipeline input.wav --output output.ogg
+tooling/db/audio-post pipeline input.wav --output output.ogg

 # Individual steps
-db/connectors/audio-post trim input.wav
-db/connectors/audio-post normalize input.wav --lufs -16
-db/connectors/audio-post convert input.wav --output output.ogg
+tooling/db/audio-post trim input.wav
+tooling/db/audio-post normalize input.wav --lufs -16
+tooling/db/audio-post convert input.wav --output output.ogg
 ```

 ## Manual Synthesis (Insert-Tech Sounds)
@@ -169,7 +169,7 @@ Construct the ticket title and description from the report summary and any
 investigation findings. Use the ticket CLI:

 ```bash
-db/connectors/ticket create bug "{title}" --team {team} --description "{description}"
+tooling/db/ticket create bug "{title}" --team {team} --description "{description}"
 ```

 The description should include:
@@ -20,14 +20,14 @@ and workflows.

 For precise indexing of specific content:
 ```bash
-python3 db/connectors/qdrant_connector.py index "unique-id" "Text content to index" --metadata source=manual heading="Custom heading"
+python3 tooling/db/qdrant_connector.py index "unique-id" "Text content to index" --metadata source=manual heading="Custom heading"
 ```

 ### Create collection

 Initialize the Qdrant collection (run once during setup):
 ```bash
-python3 db/connectors/qdrant_connector.py create-collection
+python3 tooling/db/qdrant_connector.py create-collection
 ```

 ## Bulk Indexing
@@ -35,7 +35,7 @@ python3 db/connectors/qdrant_connector.py create-collection
 Index all project documents at once:
 ```bash
 for f in decisions/*.md DISCUSSION.md TEAM.md docs/discussions/*.md docs/briefings/*.md; do
-  db/connectors/qdrant-index "$f"
+  tooling/db/qdrant-index "$f"
 done
 ```

@@ -123,7 +123,7 @@ Extract ticket IDs from `#NNN` patterns. For each ticket that is
 currently `in_progress`, update it to `review`:

 ```bash
-db/connectors/ticket status <id> review
+tooling/db/ticket status <id> review
 ```

 Report which tickets were moved to review. Skip tickets that are
@@ -74,44 +74,44 @@ If the diff is empty, report "No changes to review" and stop.

 Three-dot diff with pathspec exclusions is unreliable. Instead, either:
 1. Use `git diff main...<branch>` (full diff) and filter in the prompt, or
-2. Read source files directly from the branch worktree (see below).
+2. Read source files directly from the team directory (see below).

 For large diffs (>1000 lines of source), provide **source files** rather than
 raw diff to reviewers — cleaner context, better reviews.

-**IMPORTANT — use worktree paths for ALL agents.** This project uses git
-worktrees. Each team branch is checked out at:
+**IMPORTANT — use team directory paths for ALL agents.** Each team branch
+is checked out in its own directory at:

 ```
-/var/home/jeroenschweitzer/Projects/settled-reach/<branch>/
+/var/mnt/data/projects/settled-reach/<branch>/
 ```

-For example, the `copy` branch lives at:
+For example, the `copy` team directory is at:
 ```
-/var/home/jeroenschweitzer/Projects/settled-reach/copy/content/dialogue/...
+/var/mnt/data/projects/settled-reach/copy/content/dialogue/...
 ```

 **All reviewer agents** (regardless of Bash access) should read source files
-from the worktree path using the Read tool. This is more reliable than
+from the team directory using the Read tool. This is more reliable than
 `git show origin/<branch>:<path>` because:
 - All agents have Read access (no Bash dependency)
 - Files are always the actual branch checkout (no stale cache)
 - No risk of accidentally reading from main's working directory

 When constructing reviewer prompts, tell agents to read files from the
-worktree path. Example instruction for agents:
+team directory. Example instruction for agents:

 ```
-Read the changed files from the branch worktree. The branch is checked
-out at: /var/home/jeroenschweitzer/Projects/settled-reach/<branch>/
+Read the changed files from the team directory. The branch is checked
+out at: /var/mnt/data/projects/settled-reach/<branch>/

 For example, to read `content/dialogue/the-terminal/kael-davan.yaml`,
-use: /var/home/jeroenschweitzer/Projects/settled-reach/<branch>/content/dialogue/the-terminal/kael-davan.yaml
+use: /var/mnt/data/projects/settled-reach/<branch>/content/dialogue/the-terminal/kael-davan.yaml
 ```

 Also tell agents to read relevant `decisions/*.md` files from the same
-worktree (they're identical to main, but using the worktree path keeps
-agents grounded in the correct directory).
+directory (they're identical to main, but using the team directory path
+keeps agents grounded in the correct location).

 ### 4. Spawn reviewers in parallel

@@ -2,20 +2,24 @@

 Use `model: sonnet` for all reviewers — sufficient for review, saves cost.

-**All agents read from worktree paths.** Each branch is checked out at:
-`/var/home/jeroenschweitzer/Projects/settled-reach/<branch>/`
+**All reviewer agents read from team directories.** Each team branch is
+checked out in its own directory at:
+`/var/mnt/data/projects/settled-reach/<branch>/`

-Tell every reviewer agent to read source files from the worktree using the
-Read tool. Include the worktree base path and a list of changed files in
-every prompt. Do NOT rely on `git show` or paste file contents — agents
-can read directly from the worktree.
+Tell every reviewer agent to read source files from the team directory
+using the Read tool. Include the directory path and a list of changed
+files in every prompt. Do NOT rely on `git show` or paste file contents —
+agents can read directly from the directory.
+
+Note: cross-directory reading is only permitted for review agents spawned
+from the `main` team. Team agents must stay within their own directory.

 ## Code reviews (`server`, `client`, `ci`)

 **Hoshe (Code Quality)**
 - `subagent_type`: `hoshe`, `model`: `sonnet`
- Prompt: Provide the worktree path, list of changed files, and commit log.
-  Tell Hoshe to read source files from the worktree, then review for:
+- Prompt: Provide the team directory path, list of changed files, and commit log.
+  Tell Hoshe to read source files from the team directory, then review for:
  - Correctness and bug risks
  - Error handling gaps
  - Test coverage (are new features tested?)
@@ -25,8 +29,8 @@ can read directly from the worktree.

 **Tyre (Architecture)**
 - `subagent_type`: `tyre`, `model`: `sonnet`
- Prompt: Provide the worktree path, list of changed files, and commit log.
-  Tell Tyre to read the relevant `decisions/*.md` files from the worktree
+- Prompt: Provide the team directory path, list of changed files, and commit log.
+  Tell Tyre to read the relevant `decisions/*.md` files from the team directory
  first, then review for:
  - Architectural consistency with project decisions
  - API/interface design quality
@@ -38,8 +42,8 @@ can read directly from the worktree.

 **Hoshe (QA)**
 - `subagent_type`: `hoshe`, `model`: `sonnet`
- Prompt: Provide the worktree path, list of changed files, and commit log.
-  Tell Hoshe to read the changed files from the worktree, then review for:
+- Prompt: Provide the team directory path, list of changed files, and commit log.
+  Tell Hoshe to read the changed files from the team directory, then review for:
  - Formatting consistency (markdown, file naming, frontmatter)
  - Broken references or links
  - Spelling and grammar
@@ -48,9 +52,9 @@ can read directly from the worktree.

 **Paula (Narrative Depth)**
 - `subagent_type`: `paula`, `model`: `sonnet`
- Prompt: Provide the worktree path, list of changed files, commit log, and
+- Prompt: Provide the team directory path, list of changed files, commit log, and
  list of relevant `decisions/*.md` files to read. Tell Paula to read all
-  files from the worktree using the Read tool, then review for:
+  files from the team directory using the Read tool, then review for:
  - Narrative quality and character voice consistency
  - Whether dialogue and monologue feel authentic to the characters
  - Consequences and stakes — do choices carry weight?
@@ -59,9 +63,9 @@ can read directly from the worktree.

 **Miri (World Consistency)**
 - `subagent_type`: `miri`, `model`: `sonnet`
- Prompt: Provide the worktree path, list of changed files, commit log, and
+- Prompt: Provide the team directory path, list of changed files, commit log, and
  list of relevant `decisions/*.md` files to read. Tell Miri to read all
-  files from the worktree using the Read tool, then review for:
+  files from the team directory using the Read tool, then review for:
  - Lore accuracy — do facts match established setting?
  - Internal consistency across files
  - IP originality — nothing should read as a copy from another franchise
@@ -72,8 +76,8 @@ can read directly from the worktree.

 **Hoshe (QA)**
 - `subagent_type`: `hoshe`, `model`: `sonnet`
- Prompt: Provide the worktree path, list of changed files, and commit log.
-  Tell Hoshe to read the changed files from the worktree, then review for:
+- Prompt: Provide the team directory path, list of changed files, and commit log.
+  Tell Hoshe to read the changed files from the team directory, then review for:
  - File format and naming conventions
  - Asset organization and directory structure
  - Missing or broken references in scene/resource files
@@ -81,7 +85,7 @@ can read directly from the worktree.

 **Araminta (Art Direction)**
 - `subagent_type`: `araminta`, `model`: `sonnet`
- Prompt: Provide the worktree path, list of changed files, and commit log.
+- Prompt: Provide the team directory path, list of changed files, and commit log.
  Tell Araminta to read the style guide and relevant design docs from the
  worktree first, then review for:
  - Visual consistency with the established style guide
@@ -94,8 +98,8 @@ can read directly from the worktree.

 **Hoshe (QA)**
 - `subagent_type`: `hoshe`, `model`: `sonnet`
- Prompt: Provide the worktree path, list of changed files, and commit log.
-  Tell Hoshe to read the changed files from the worktree, then review for:
+- Prompt: Provide the team directory path, list of changed files, and commit log.
+  Tell Hoshe to read the changed files from the team directory, then review for:
  - File format and naming conventions
  - Audio asset organization and directory structure
  - Missing or broken references
@@ -103,8 +107,8 @@ can read directly from the worktree.

 **Ozzie (Player Experience)**
 - `subagent_type`: `ozzie`, `model`: `sonnet`
- Prompt: Provide the worktree path, list of changed files, and commit log.
-  Tell Ozzie to read all files from the worktree using the Read tool, then
+- Prompt: Provide the team directory path, list of changed files, and commit log.
+  Tell Ozzie to read all files from the team directory using the Read tool, then
  review for:
  - Emotional impact — does the audio enhance the moment?
  - Atmosphere and tone — does it feel like the Commonwealth?
@@ -47,10 +47,40 @@ project state. Only generate briefings for teams that have tickets in the sprint
 | `audio` | `audio` | Inigo (sound design) | Soundscapes, ambient layers, diegetic cues, audio propagation |
 | `visual` | `visual` | Araminta (art direction) | Art assets, sprites, visual consistency, style guides |
 | `ci` | `ci` | Justine (build/deploy) | Build pipelines, CI/CD, tooling, packaging |
+| `planning` | `planning` | Purpose-assembled (see below) | Design discussions, decision resolution, workshop-style tickets |

 When writing briefings, name the assigned agents in the **Agents** line of each
 file so the team knows who to spawn.

+### Planning Team Tickets
+
+Some tickets need **design discussion** before implementation can begin — tagged
+"NEEDS DESIGN DISCUSSION" or blocking multiple downstream tickets with open
+questions. These run on the `planning` branch as structured discussions with
+the user and a purpose-assembled agent panel.
+
+**When to create a planning ticket:**
+- Ticket description says "NEEDS DESIGN" or "NEEDS DESIGN DISCUSSION"
+- Ticket blocks 2+ downstream tickets across different teams
+- Open Q-NNN items that block sprint candidates
+- Architectural decisions that need multi-domain input before implementation
+
+**Planning briefing format** (differs from implementation briefings):
+- **Agents line**: List agents by domain relevance, not fixed team roster.
+  Pick from: Gestalt (systems), Miri (worldbuilding), Araminta (visual/spatial),
+  Tyre (technical), Paula (narrative), Ozzie (player experience), Gore (themes),
+  Nigel (replayability). Typically 4-6 domain agents, plus Qatux (documenter —
+  records decisions, updates domain files) and SI (project manager — creates
+  follow-up tickets, updates sprint assignments).
+- **Discussion rounds**: Structure the conversation into 2-3 rounds
+  (inventory → proposals → convergence)
+- **Context section**: List all existing design docs, decisions, and related
+  tickets that participants must read before the discussion
+- **Output specification**: What the discussion must produce — typically a
+  D-record in `decisions/`, possibly a design doc in `docs/design/`
+- **Decision questions**: Specific questions the discussion must answer,
+  not open-ended exploration
+
 ## Workflow

 ### 1. Run sprint prepare
@@ -58,7 +88,7 @@ file so the team knows who to spawn.
 Get carry-overs, backlog candidates, and decision gaps in one shot:

 ```bash
-db/connectors/sprint prepare
+tooling/db/sprint prepare
 ```

 This auto-detects the next sprint number (max ID + 1), creates the sprint
@@ -73,10 +103,10 @@ record in `planning` status if needed, and outputs:
 For critical epics, check their children for granular candidates:

 ```bash
-db/connectors/ticket children <epic_id>
+tooling/db/ticket children <epic_id>
 ```

-Use `db/connectors/ticket show --brief <id> [<id>...]` to quickly scan multiple tickets.
+Use `tooling/db/ticket show --brief <id> [<id>...]` to quickly scan multiple tickets.

 ### 3. Read existing code state

@@ -124,13 +154,12 @@ Create `docs/sprints/sprint-N/` and write one file per team.
 Read the template at `references/briefing-template.md` in this skill directory
 for the exact file structure.

-**IMPORTANT — worktree-relative paths:** This project uses git worktrees.
-Each team branch is checked out in its own worktree, and each worktree
-contains the full repo (`server/`, `client/`, `docs/`, etc.). All file
-paths in briefings must be relative to the worktree/git root. Example:
+**IMPORTANT — relative paths only:** Each team works in its own directory
+containing the full repo (`server/`, `client/`, `docs/`, etc.). All file
+paths in briefings must be relative to the working directory. Example:
 `server/src/bridge/types.rs`, not `/absolute/path/to/server/src/...` or
-paths that navigate outside the git root (`../sibling-worktree/...`).
-Agents must stay within the git root they are running in.
+paths that navigate outside (`../sibling-dir/...`).
+Agents must stay within their team's working directory.

 Key requirements per file:
 - **server.md**: Carry-overs, new tickets, dependency chain, key decisions, notes
@@ -154,16 +183,29 @@ Update it with the theme and goal, then assign tickets:

 ```bash
 # Update the sprint with theme and goal
-db/connectors/sqlite-exec "UPDATE sprints SET name='Sprint N: Theme', goal='goal' WHERE id=N"
+tooling/db/sqlite-exec "UPDATE sprints SET name='Sprint N: Theme', goal='goal' WHERE id=N"

 # Assign tickets
-db/connectors/ticket sprint assign <ticket_id> <sprint_id>
+tooling/db/ticket sprint assign <ticket_id> <sprint_id>
 ```

 The sprint stays in `planning` status until explicitly activated via
-`db/connectors/sprint start`. This prevents starting an unplanned sprint.
+`tooling/db/sprint start`. This prevents starting an unplanned sprint.

-### 8. Present summary
+### 8. Commit and push
+
+Stage the briefing files and any other changes (db backup, closed tickets),
+then commit and push so worktree branches can pull the planning artifacts:
+
+```bash
+git add docs/sprints/sprint-N/
+make db-backup
+git add docs/backups/settledreach.db.backup
+git commit -m "chore(meta): plan Sprint N: Theme"
+git push
+```
+
+### 9. Present summary

 Output:
 - Sprint number, theme, and goal
@@ -171,3 +213,4 @@ Output:
 - Carry-over count
 - Open questions that need early resolution
 - Files written
+- Commit pushed to main
@@ -26,7 +26,7 @@ Each team gets one briefing file at `docs/sprints/sprint-N/<team>.md`.
 |---|-------|------------|
 | #ID | Title | #dependency or — |

-Use `db/connectors/ticket show <id>` for full details.
+Use `tooling/db/ticket show <id>` for full details.

 ## Key Decisions

@@ -38,7 +38,7 @@ When `/sprint-start` is run on `main`, assess the current sprint state
 and do the next right thing. Query the database to determine the state:

 ```bash
-db/connectors/sqlite-query "SELECT id, name, status FROM sprints ORDER BY id DESC LIMIT 3"
+tooling/db/sqlite-query "SELECT id, name, status FROM sprints ORDER BY id DESC LIMIT 3"
 ```

 Then follow the **first matching case**:
@@ -48,7 +48,7 @@ Then follow the **first matching case**:
 First, check whether the sprint's work is actually done:

 ```bash
-db/connectors/sprint status
+tooling/db/sprint status
 ```

 This shows ticket counts by status (done, in_progress, backlog).
@@ -81,7 +81,7 @@ explicitly chooses to close.
 #### A1. Close the active sprint

 ```bash
-db/connectors/sprint stop
+tooling/db/sprint stop
 ```

 This marks the active sprint as completed and lists carry-over candidates.
@@ -142,7 +142,7 @@ A sprint is ready to activate. Verify it looks complete:
   ```
 2. Check the ticket count:
   ```bash
-   db/connectors/sprint status --sprint N
+   tooling/db/sprint status --sprint N
   ```

 If briefings are missing or the sprint has 0 tickets, report the gap
@@ -151,7 +151,7 @@ and suggest running `/sprint-plan` to complete planning.
 If everything looks ready, activate the sprint:

 ```bash
-db/connectors/sprint start
+tooling/db/sprint start
 ```

 Then report:
@@ -184,7 +184,7 @@ If the merge has conflicts, report them and stop — do not force-resolve.
 Run the sprint CLI to get the full context dump in one shot:

 ```bash
-db/connectors/sprint start-work
+tooling/db/sprint start-work
 ```

 This auto-detects the active sprint and current team from the branch.
@@ -204,7 +204,7 @@ If no matching briefing exists for the team, suggest running

 For tickets that need more detail than the `start-work` summary provides:
 ```bash
-db/connectors/ticket show <id>
+tooling/db/ticket show <id>
 ```

 ### 6. Read key decisions
@@ -218,7 +218,7 @@ Mark all actionable (unblocked, non-done) tickets in the sprint as
 `in_progress`:

 ```bash
-db/connectors/ticket status <id> in_progress
+tooling/db/ticket status <id> in_progress
 ```

 Then output a summary:
@@ -290,14 +290,19 @@ Task(

    RULES (NON-NEGOTIABLE):

+    0. TEAM BOUNDARY: Your team is `{team}` ($WORKTREE_TEAM). Stay
+       within the current working directory. Do NOT navigate to
+       parent or sibling directories. Do NOT follow .git pointers
+       to other directories.
+
    1. GIT: Do NOT run any git commands (commit, push, pull, merge,
       checkout, branch, stash, tag, etc.). All git operations are
       handled by the team lead. No exceptions.

    2. DB SCRIPTS: When calling ticket/sprint/sqlite scripts, use
       the exact command with no wrappers or chaining. Examples:
-         db/connectors/ticket show 528
-         db/connectors/ticket list --sprint {N}
+         tooling/db/ticket show 528
+         tooling/db/ticket list --sprint {N}
       Do NOT prepend python3, do NOT chain with && or ;, do NOT
       add cleanup commands. Just the bare command.

@@ -346,7 +351,7 @@ Task(
    7. If no tasks remain, message the team lead. Do NOT shut down
       on your own.

-    Use `db/connectors/ticket show <id>` for full ticket specs.",
+    Use `tooling/db/ticket show <id>` for full ticket specs.",
  description: "Sprint {N} {team}: {name}",
  run_in_background: true
 )
@@ -41,7 +41,7 @@ the workflow.
 Run these two commands in parallel:

 ```bash
-db/connectors/sprint sweep
+tooling/db/sprint sweep
 ```

 ```bash
@@ -17,60 +17,60 @@ section. This skill covers the full command reference.

 ### List tickets (full flags)
 ```bash
-db/connectors/ticket list [--status S] [--priority P] [--epic N] [--sprint N] [--assigned A] [--team T]
+tooling/db/ticket list [--status S] [--priority P] [--epic N] [--sprint N] [--assigned A] [--team T]
 ```

 ### Create ticket
 ```bash
-db/connectors/ticket create <type> <title> [--parent N] [--priority P] [--decision D] [--team T]
+tooling/db/ticket create <type> <title> [--parent N] [--priority P] [--decision D] [--team T]
 ```
 Types: `initiative`, `epic`, `story`, `task`, `bug`
 Priorities: `critical`, `high`, `medium`, `low`

 ### Update status
 ```bash
-db/connectors/ticket status <id> <new_status>
-db/connectors/ticket done <id> [<id> ...]
+tooling/db/ticket status <id> <new_status>
+tooling/db/ticket done <id> [<id> ...]
 ```
 Statuses: `backlog`, `ready`, `in_progress`, `review`, `done`, `cancelled`

 ### Assignment
 ```bash
-db/connectors/ticket assign <id> <agent>
-db/connectors/ticket unassign <id>
+tooling/db/ticket assign <id> <agent>
+tooling/db/ticket unassign <id>
 ```

 ### Team assignment
 ```bash
-db/connectors/ticket team <id> <teams>
+tooling/db/ticket team <id> <teams>
 ```
 Teams are comma-separated, e.g. `server`, `client`, `server,client`.

 ### Sprint management
 ```bash
-db/connectors/ticket sprint [--active]
-db/connectors/ticket sprint assign <id> <sprint_id>
+tooling/db/ticket sprint [--active]
+tooling/db/ticket sprint assign <id> <sprint_id>
 ```

 For sprint-scoped operations (status overview, context dumps, lifecycle),
-use the dedicated sprint CLI instead: `db/connectors/sprint --help`
+use the dedicated sprint CLI instead: `tooling/db/sprint --help`

 ### Dependencies
 ```bash
-db/connectors/ticket deps <id>
+tooling/db/ticket deps <id>
 ```

 ### Search and browse
 ```bash
-db/connectors/ticket search <keyword>
-db/connectors/ticket epics [--status S]
-db/connectors/ticket children <id>
-db/connectors/ticket count [--status S]
+tooling/db/ticket search <keyword>
+tooling/db/ticket epics [--status S]
+tooling/db/ticket children <id>
+tooling/db/ticket count [--status S]
 ```

 ### Batch show
 ```bash
-db/connectors/ticket show --brief <id> [<id>...]
+tooling/db/ticket show --brief <id> [<id>...]
 ```

 ## Workflow
@@ -6,9 +6,107 @@ Format based on [Keep a Changelog](https://keepachangelog.com/).

 ## [Unreleased]

+## [v0.1.23] — 2026-03-04
+
+### Added
+- TileKind enum (Floor/Wall/Void/Restricted) on WalkabilityMap with per-tile type data alongside walkability (#576, D-094)
+- Location YAML tile format — hand-author tiles as string arrays (F/W/V/R characters), loaded into WalkabilityMap on production startup (#577)
+- Chunk streaming system — ChunkLoadRadius and cadence-gated load/unload around player position, v0.1 covers full district (#578, D-012)
+- EngagementRecord component — per-NPC observation time, conversation count, and monologue trigger count tracked by perception/dialogue/monologue systems (#570)
+- MovementHistoryBuffer resource — 3000-tick ring buffer of player positions with co-presence proximity query (#571)
+- Storyteller lifecycle rules — single activation per session, no concurrency, terminal resolution constants (#572)
+- Storyteller activation_pass() — gate/proximity/engagement scoring/routing/module selection/TriangleActivatedEvent on 10-tick cadence (#579)
+- Debug console server — 10 DebugCommandKind variants (AdvanceTicks, SkipToContamination, TeleportToPosition, InspectNpc, ListTriangles, etc.) with DebugResponsePayload on ObserverSnapshot (#580)
+- Debug console client — tilde-toggle UI panel with command input, output log, settings toggle, and full DebugCommandKind dispatch via protocol v18 (#581)
+- Entity-bound dialogue speaker colors — NPC colors assigned by entity ID (not screen position) with per-conversation lifecycle and round-robin palette (#573)
+- Sova Transit District tile maps — 5 locations authored: The Terminal (44×28), The Last Shift (34×22), Maintenance Corridors (58×6), Gate Ground (40×34), Gate Gallery (32×10) (#582, #583)
+
+### Fixed
+- LOS boundary walls — 1-tile wall margin beyond vision cone included in visible_tiles as BoundaryWall sector, walls at fog edge now render instead of bleeding into fog (#584)
+- LOS boundary walls client — BoundaryWall tiles render through fog without marking explored, 4 new fog tests verify lifecycle (#585)
+- Entity renderer test failures — updated 7 stale ColorRect/position assertions for Sprite2D migration, fixed SoundIndicatorRenderer class cache (#574)
+- Dialogue speaker color contrast — re-enforce contrast floor after desaturation for passive (overheard) lines
+- PROTOCOL_VERSION 17 → 18 mismatch — client rejected every server snapshot
+- Debug console D-088 pause — sim now pauses while console is open, matching dialogue/settings overlay behavior
+- Debug console settings toggle reads live state instead of ConfigFile, preventing checkbox divergence
+
+### Changed
+- PROTOCOL_VERSION bumped 17 → 18 (debug_response field on ObserverSnapshot, DebugCommand PlayerAction variant)
+
+## [v0.1.22] — 2026-03-03
+
+### Added
+- Visual test harness — `make screenshot`, `make test-visual`, `make visual-update` for automated visual regression testing with golden PNGs across 11 scenarios (fog, HUD, dialogue, minimap)
+- Visual movie mode — `make visual-movie` captures interaction flows as frame sequences with contact sheet generation
+- World seed protocol — StartupMessage carries world_seed from client to server after handshake, enabling deterministic NPC population seeding (D-010, D-029)
+- EntanglementConfig — per-seed NPC population ratios (flat/mundane/intrigue) sampled from seeded RNG with D-029 bounds, ensuring same seed = same world (#175, #178)
+- Fog debug mode — toggle FogState.debug_exploration to render raw exploration texture as colored overlay for diagnostic use
+- D-110 through D-112: z-level addressing, subterranean architecture, no instancing decisions
+- Q-051: speech bubble indicator over speaking NPCs
+- Sprint 22 "Wire" briefings (server, client, visual, CI, planning, joint)
+
+### Added (server)
+- Production NPC pool generation — 23 authored Sova NPCs spawn with EntanglementTag (Flat/Intrigue) based on triangle membership (#176, D-029)
+- Authored triangle instantiation — 5 Sova triangles (3 active forks, 2 passive tensions) loaded from content YAML with deterministic IDs (#188, D-087)
+- Contamination activation mechanic — timer-based storyteller fires after 30 game-minutes, pressures active triangles, emits ContaminationEvent (#254)
+- Modifications data model stub — Vec<Modification> on chunk entities, round-trips through save/load for future construction DLC (#567, D-112)
+- Zone Gate gauntlet room — two-zone test room with door boundary, zone crossing detection system (#512)
+- Fuzzy map tests — 50-seed randomized testing of procedural maps against 4 structural invariants (#509)
+
+### Fixed
+- Fog shader: silent compilation failure in OpenGL3 compat mode — removed `return` statements from fragment() which are not supported, causing fog overlay to render as no-op (root cause of Sprint 22 fog regression)
+- Fog system: blocky stair-stepped edges at vision cone boundary — doubled Gaussian blur step size for D-066 compliant 6-8 tile smooth gradient (#569)
+- Fog system: zero visibility in explored areas — switched bounds calculation from visible_tiles (empty in live server mode) to visible_positions, and removed shader guard that cut off gradient bleed into unexplored tiles (#569)
+- Fog shader alpha tuned to D-059 spec: light fog 0.25-0.35 (was 0.25-0.55), deep fog 0.55-0.70 (was 0.78-0.90) — world content now visible through fog instead of hidden behind it (#563)
+
+### Changed
+- Fog shader now distinguishes light fog (near cone, neutral dark) from deep fog (far from cone, zone temperature tint) with separate Perlin noise breathing cycles (8-10s / 15-20s)
+- Zone temperature tint populated per-tile from server zone_id: bar=warm amber-dark, hub=cool blue-dark, corridor=neutral dark (D-059/D-046/D-077)
+- Simplified vision cone from 3-sector (forward/peripheral/blind) to forward-only 120° arc — server sends only forward-cone tiles, client renders explored tiles behind the player with light fog overlay
+- Simplified fog shader from 5-layer to 3-layer model (clear, explored, unexplored)
+- Fog texture resize now preserves exploration data — tiles behind the player stay as light fog instead of reverting to unexplored black
+- Updated D-015/D-017 perception decisions to reflect simplified cone model
+- Moved connector scripts from db/connectors/ to tooling/db/ (#274) — backwards-compat symlink removed in #568
+
+### Removed
+- db/connectors symlink — all references now use tooling/db/ directly (#568)
+
+## [v0.1.20] — 2026-02-25
+
+### Added
+- Social site template schema — RoleSchema (#163), SpaceSpec (#164), TriangleDef (#106) with YAML deserialization, sample templates at server/data/templates/
+- Single-ownership model — TemplateOwnership component, TemplateReferenceMap resource, cross-template reference links preserved across save/load and tier eviction (#165, D-025)
+- Triangle generation — intra-template constraint satisfaction assigns NPCs to triangle roles, minimum 2 triangles per template with fallback on imperfect seeds (#107)
+- Triangle escalation system — tick_triangle_escalation runs per game-minute, tension increments toward ToleranceThreshold, TriangleCrisisEvent emitted on Active phase entry, ResolveTriangle stub command (#250, D-087)
+- Protocol v16 — TriangleCrisisEventWire on ObserverSnapshot for future client rendering of triangle crises
+- D-093: Sova Transit District spatial layout — 4 social sites (Terminal, Bar, Gate Cluster, Sector 3), 2 encounter nodes, zone palette, gate cluster 7-zone spec, z-level scheme (z=0 maintenance, z=1 main, z=2 observation gallery), 3 investigation paths, corridor widths
+- D-094: Spatial hierarchy — chunk (64×64 sim) → block (128×128 sim) → district (4×4 blocks, 256×256 visual), supersedes D-014 estimate
+- D-095: Horizon stations and transport lore — span gates (human-built, dual-use), horizon stations (alien-built, 4-8 apertures), "The Ring" per-system naming, sequential hop travel, The Loop internal tram
+- Generator architecture workshop brief (ticket #562) — top-down pipeline for district generation, targeting Q-036 resolution
+- SnapshotEventRouter — callable-based snapshot dispatch replaces inline if-has blocks in main.gd (#559)
+- YamlParser shared utility — unified YAML parsing for UI strings and checklist conditions (#560)
+
+### Fixed
+- Wire triangle crisis event queue into observer snapshot — clients now receive TriangleCrisisEventWire via protocol v16 (was always empty)
+- Persist TriangleState in SaveStateV1 — triangle phase and tension survive save/load cycles
+- Validate dangling with_role references in TriangleDef constraint validation
+- Replace O(n²) fallback NPC assignment with BTreeSet; prevent same NPC assigned to two roles in one triangle
+- Replace O(N*M) scan in apply_resolve_triangle with BTreeMap index for O(1) per-command lookup
+- Add From impls for RoleId, TriangleId, StableId, TriangleCrisisEventWire — eliminate fragile .0 newtype access
+- Consolidate near-identical unit tests with integration counterparts
+
+### Changed
+- Sova station profile updated — horizon gates located at The Krenn Ring (800 AU), not on Station Sova; Admin Hub houses transit processing facility only
+- game_state.gd: stationary_ticks and zone_id now read from server snapshot with deprecated client-side fallbacks (#557, D-020)
+- dialogue_box.gd: decoupled from GameState and AudioManager via signals — zero direct autoload references (#558, D-020)
+- main.gd: snapshot dispatch via SnapshotEventRouter, dialogue signal coordinator handlers (#559, #558)
+- ui_strings.gd and checklist_evaluator.gd: delegate to YamlParser, ~140 lines of duplication removed (#560)
+
 ## [v0.1.19] — 2026-02-25

 ### Added
+- Sprint 20: Shape planned — 11 tickets (server 6, client 4, planning 1) covering template/triangle schemas, client refactors, and district layout design discussion
+- Planning team ticket type in sprint-plan skill — supports design discussions with purpose-assembled agent panels, Qatux and SI for bookkeeping
 - Client PR #70 merged — save/load client UI, F5/F6 quicksave/quickload (#554)
 - Server PR #68 merged — Sprint 19 save/load, tier eviction, test infra (7 tickets, 2714 lines)
 - Client PR #67 merged — Sprint 19 test infra, session management, debug overlay (5 tickets, 2547 lines)
@@ -96,6 +194,7 @@ Format based on [Keep a Changelog](https://keepachangelog.com/).
 - run-ipc-benchmark dead --iterations flag removed (Rust compile-time constant governs rounds)

 ### Changed
+- Team boundary framing — replaced worktree-centric language with `$WORKTREE_TEAM` env var identity across CLAUDE.md and skills (sprint-start, sprint-plan, pr-review) to prevent agents from following `.git` pointers across boundaries
 - CLAUDE.md compacted from 188 to 67 lines — CLI references, endpoints, and patterns moved to `.claude/rules/`
 - `/sprint-status` delegates to haiku subagent — keeps sweep JSON, template read, and PR list out of main context window
 - `sprint sweep` JSON trimmed — removed unused fields (`ok`, `sprint.status`, `priority`, `ticket_id`), shortened issue detail strings
@@ -14,7 +14,7 @@ server/               # Rust/bevy_ecs simulation server
 tooling/              # Build tools, scripts, asset pipelines
 tests/                # Integration and end-to-end tests
 docs/                 # Architecture, design, briefings, sprints, workshops
-db/                   # Schema + connector scripts (ticket CLI, SQLite, Qdrant)
+db/                   # Schema + seed data (connectors moved to tooling/db/)
 .claude/              # Agents, skills, rules
 decisions/            # Decision domain files (D-NNN confirmed, Q-NNN open, R-NNN rejected)
 ```
@@ -27,14 +27,15 @@ See [docs/DEVOPS.md](docs/DEVOPS.md) for build, test, lint, and CI procedures. A

 ## Agent Instructions

-### Worktree boundaries
+### Team boundaries

-This project uses **git worktrees** in a shared parent directory (`settled-reach/`). Each team branch (`server`, `client`, `copy`, `audio`, `visual`, `ci`) has its own worktree. The worktree root IS the git root.
+**Your team identity is `$WORKTREE_TEAM`.** All work must stay within the current working directory.

- **All work must remain within the git root** unless explicitly instructed otherwise.
- All file paths are relative to the worktree root (e.g. `server/src/bridge/types.rs`).
- Do not navigate to or access sibling worktrees (`../client/`, `../copy/`, etc.) unless explicitly instructed.
- **Exception — stale git lock files:** Worktree index locks live in the shared `.git` directory (e.g. `main/.git/worktrees/copy/index.lock`). If a `git` command fails with `index.lock: File exists`, you may remove the lock file for **your own worktree only**. Never touch lock files belonging to other worktrees.
+- All file paths are relative to the current working directory (e.g. `server/src/bridge/types.rs`).
+- **Do NOT navigate to parent or sibling directories** (`../`, `../client/`, etc.) unless explicitly instructed. Do NOT use absolute paths to reach other team directories.
+- **Do NOT write auto-memory files for other teams.** If `$WORKTREE_TEAM` is `server`, do not write to memory paths containing `client`, `main`, etc.
+- For context: each team has its own directory via git worktrees, sharing a parent directory (`settled-reach/`). The `.git` file points to a shared git directory — do not follow it to determine your working root.
+- **Exception — stale git lock files:** If a `git` command fails with `index.lock: File exists`, you may remove the lock file for **your own team only** (e.g. `main/.git/worktrees/$WORKTREE_TEAM/index.lock`). Never touch lock files belonging to other teams.

 ### Database

@@ -42,7 +43,7 @@ The ticketing database (`settledreach.db`) lives in the **parent directory** sha

 ### Before starting work
 1. Read your sprint briefing at `docs/sprints/sprint-N/{team}.md` for current tasks
-2. Use `db/connectors/ticket show <id>` for full ticket details
+2. Use `tooling/db/ticket show <id>` for full ticket details
 3. Read the relevant `decisions/*.md` domain file(s) referenced in the briefing
 4. Background context: `docs/briefings/{your-name}.md`, `docs/discussions/`

@@ -52,19 +53,26 @@ The ticketing database (`settledreach.db`) lives in the **parent directory** sha

 | Tool | Command | Full reference |
 |------|---------|----------------|
-| Tickets | `db/connectors/ticket list`, `show`, `create`, `assign` | `/ticket` skill |
-| Sprints | `db/connectors/sprint status`, `start-work`, `prepare` | `/sprint-start` skill |
-| SQL queries | `db/connectors/sqlite-query "SELECT ..."` | — |
-| SQL writes | `db/connectors/sqlite-exec "UPDATE ..."` | — |
-| Decisions | `db/connectors/decision next`, `claim`, `check-dupes` | — |
-| Doc search | `db/connectors/qdrant-search "query"` | `/docs-search` skill |
-| Doc index | `db/connectors/qdrant-index path/to/file.md` | `/docs-search` skill |
+| Tickets | `tooling/db/ticket list`, `show`, `create`, `assign` | `/ticket` skill |
+| Sprints | `tooling/db/sprint status`, `start-work`, `prepare` | `/sprint-start` skill |
+| SQL queries | `tooling/db/sqlite-query "SELECT ..."` | — |
+| SQL writes | `tooling/db/sqlite-exec "UPDATE ..."` | — |
+| Decisions | `tooling/db/decision next`, `claim`, `check-dupes` | — |
+| Doc search | `tooling/db/qdrant-search "query"` | `/docs-search` skill |
+| Doc index | `tooling/db/qdrant-index path/to/file.md` | `/docs-search` skill |
+
+### Testing preferences
+
+- **Prefer live Gauntlet testing over mocks.** For visual tests and rendering verification, use the full client/server pipeline (`--test-mode` + `SR_LIVE=1`) instead of TestHarness mocks. The Gauntlet test world produces production-identical data. Mocks can mask rendering bugs by taking different code paths.
+- **Gauntlet rooms are immutable.** Never modify existing rooms — new systems get new rooms. This ensures StableId determinism and fixture stability.
+- Three test tiers: (1) Live server — highest fidelity, (2) MessagePack replay via `Protocol.decode_snapshot()` — for unreachable rooms, (3) TestHarness mock — for UI-only tests where fog data doesn't matter.
+- `make fixtures-gauntlet` regenerates real server snapshot fixtures from the Gauntlet world.

 ### File conventions
 - Decisions: domain files in `decisions/` (see `decisions/README.md` for index)
 - Decision IDs: `D-NNN` (confirmed), `Q-NNN` (open questions), `R-NNN` (rejected)
- **Claim IDs before writing:** `db/connectors/decision claim D <domain> "title"` — prevents ID collisions across worktrees
+- **Claim IDs before writing:** `tooling/db/decision claim D <domain> "title"` — prevents ID collisions across worktrees
 - Diagrams: `.d2` source + `.png` renders in `docs/diagrams/{category}/`. Create or update diagrams via `/d2-diagram` when D-records are added or modified.
 - Discussion rounds: numbered sequentially, archived to `docs/discussions/` when complete
 - Briefings: one per agent, updated after decision-producing rounds
- Tickets: managed via `db/connectors/ticket` CLI or `/ticket` skill
+- Tickets: managed via `tooling/db/ticket` CLI or `/ticket` skill
@@ -8,7 +8,8 @@ GODOT := $(shell command -v godot4 2>/dev/null || command -v godot 2>/dev/null)
       fixtures-client golden-diff golden-update \
       checklist-validate checklist-generate \
       perf-baseline debug-schedule \
-       test-ipc-fixtures test-ipc-protocol test-ipc-integration test-ipc-benchmark
+       test-ipc-fixtures test-ipc-protocol test-ipc-integration test-ipc-benchmark \
+       screenshot visual-movie test-visual visual-update

 # --- Configuration ---

@@ -53,6 +54,11 @@ help:
 	@echo "  make checklist-generate Validate checklists + print condition summary"
 	@echo "  make perf-baseline      Run performance benchmarks and save baseline"
 	@echo ""
+	@echo "  make screenshot          Ad-hoc visual capture (SCENARIO=name, default: fog_3state)"
+	@echo "  make visual-movie       Flow capture with contact sheet (FLOW=name)"
+	@echo "  make test-visual        Run visual golden regression tests"
+	@echo "  make visual-update      Regenerate visual goldens and stage for commit"
+	@echo ""
 	@echo "  make pre-pr             Run all pre-PR checks (lint, build, test, validate, fixtures)"
 	@echo "  make pre-pr-server      Server-scoped pre-PR (lint, build, test, fixtures)"
 	@echo "  make pre-pr-client      Client-scoped pre-PR (lint, build, test)"
@@ -284,16 +290,16 @@ db-install:
 # --- Decisions ---

 decisions-sync:
-	@db/connectors/decisions-sync
+	@tooling/db/decisions-sync

 decisions-coverage:
-	@db/connectors/sqlite-query "SELECT d.domain, COUNT(DISTINCT d.id) as decisions, COUNT(DISTINCT t.decision_ref) as with_tickets FROM decisions d LEFT JOIN tickets t ON d.id = t.decision_ref WHERE d.status='active' AND d.type='confirmed' GROUP BY d.domain"
+	@tooling/db/sqlite-query "SELECT d.domain, COUNT(DISTINCT d.id) as decisions, COUNT(DISTINCT t.decision_ref) as with_tickets FROM decisions d LEFT JOIN tickets t ON d.id = t.decision_ref WHERE d.status='active' AND d.type='confirmed' GROUP BY d.domain"

 decisions-active:
-	@db/connectors/sqlite-query "SELECT id, domain, title FROM decisions WHERE status='active' AND type='confirmed' ORDER BY domain, id"
+	@tooling/db/sqlite-query "SELECT id, domain, title FROM decisions WHERE status='active' AND type='confirmed' ORDER BY domain, id"

 decisions-orphan:
-	@db/connectors/sqlite-query "SELECT id, title FROM decisions WHERE type='confirmed' AND status='active' AND id NOT IN (SELECT DISTINCT decision_ref FROM tickets WHERE decision_ref IS NOT NULL)"
+	@tooling/db/sqlite-query "SELECT id, title FROM decisions WHERE type='confirmed' AND status='active' AND id NOT IN (SELECT DISTINCT decision_ref FROM tickets WHERE decision_ref IS NOT NULL)"

 # --- Content Validation ---

@@ -318,6 +324,20 @@ debug-schedule:
 	@echo "Dumping bevy_ecs schedule graph..."
 	@cd server && cargo run --bin settled-reach-server -- --dump-schedule

+# --- Visual test harness ---
+
+screenshot:
+	@tests/run-visual --screenshot $(SCENARIO)
+
+visual-movie:
+	@tests/run-visual --movie $(FLOW)
+
+test-visual:
+	@tests/run-visual
+
+visual-update:
+	@tests/run-visual --update
+
 content-ron:
 	cd tooling/content-converter && cargo build --release
 	tooling/content-converter/target/release/content-converter --input content --output content-ron --verbose
@@ -0,0 +1,40 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://850hx6cd5kx7"
+path="res://.godot/imported/npc_generic_east_64.png-bf22e76d70922112e99bf747d85a0a04.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/sprites/npc_generic_east_64.png"
+dest_files=["res://.godot/imported/npc_generic_east_64.png-bf22e76d70922112e99bf747d85a0a04.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1
@@ -0,0 +1,40 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://bx6s0yglmpt2l"
+path="res://.godot/imported/npc_generic_north_64.png-296e233a60c8b9efed025a82a69614df.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/sprites/npc_generic_north_64.png"
+dest_files=["res://.godot/imported/npc_generic_north_64.png-296e233a60c8b9efed025a82a69614df.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1
@@ -0,0 +1,40 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://dpsuq148mksls"
+path="res://.godot/imported/npc_generic_south_64.png-c121e02d806f6dcc3ed440484827c258.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/sprites/npc_generic_south_64.png"
+dest_files=["res://.godot/imported/npc_generic_south_64.png-c121e02d806f6dcc3ed440484827c258.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1
@@ -0,0 +1,40 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://dgt84hobbdumx"
+path="res://.godot/imported/npc_generic_west_64.png-9ee237384537f7357d37802b6cfae559.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/sprites/npc_generic_west_64.png"
+dest_files=["res://.godot/imported/npc_generic_west_64.png-9ee237384537f7357d37802b6cfae559.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1
@@ -0,0 +1,40 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://bcmer1bsugk8b"
+path="res://.godot/imported/wall_structural_east_64.png-f868b267dcc1824e2b0fe213e49b4996.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/sprites/wall_structural_east_64.png"
+dest_files=["res://.godot/imported/wall_structural_east_64.png-f868b267dcc1824e2b0fe213e49b4996.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1
@@ -0,0 +1,40 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://dd5j0q6cu674m"
+path="res://.godot/imported/wall_structural_north_64.png-f7eceb6d561e7e07b3bac2e28c659628.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/sprites/wall_structural_north_64.png"
+dest_files=["res://.godot/imported/wall_structural_north_64.png-f7eceb6d561e7e07b3bac2e28c659628.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1
@@ -0,0 +1,40 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://cctlhvaolom3x"
+path="res://.godot/imported/wall_structural_south_64.png-c34925f9a5a3f6b5968e73e51953367e.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/sprites/wall_structural_south_64.png"
+dest_files=["res://.godot/imported/wall_structural_south_64.png-c34925f9a5a3f6b5968e73e51953367e.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1
@@ -0,0 +1,40 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://ughjt5s8la2p"
+path="res://.godot/imported/wall_structural_west_64.png-7c39e0c692d32348190875c4ad99b227.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/sprites/wall_structural_west_64.png"
+dest_files=["res://.godot/imported/wall_structural_west_64.png-7c39e0c692d32348190875c4ad99b227.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1
@@ -109,6 +109,7 @@ notifications:
  load_failed: "Load failed."
  connection_lost: "Signal interrupted."
  connection_restored: "Signal restored."
+  loading: "Resuming..."

 # ============================================================
 # KNOWLEDGE PANEL LABELS
@@ -183,6 +184,9 @@ menu:
  confirm_quit: "Unsaved progress will be lost."
  confirm_yes: "Yes"
  confirm_no: "No"
+  load_game_browse: "LOAD GAME"
+  load_game_back: "BACK"
+  load_game_empty: "No saves found."

 settings:
  audio_volume: "Volume"
@@ -1,4 +1,4 @@
-[gd_scene load_steps=26 format=3 uid="uid://bswrmh7w8dbgm"]
+[gd_scene load_steps=28 format=3 uid="uid://bswrmh7w8dbgm"]

 [ext_resource type="Script" path="res://scripts/main.gd" id="1_main"]
 [ext_resource type="Script" path="res://scripts/rendering/world_renderer.gd" id="2_world"]
@@ -21,10 +21,12 @@
 [ext_resource type="PackedScene" path="res://ui/checklist_overlay.tscn" id="18_checklist"]
 [ext_resource type="PackedScene" path="res://ui/bug_report_dialog.tscn" id="19_bugreport"]
 [ext_resource type="PackedScene" path="res://ui/settings_dialog.tscn" id="21_settings"]
-[ext_resource type="Script" path="res://scripts/ui/debug_overlay.gd" id="22_debug"]
+[ext_resource type="Script" path="res://ui/debug_overlay.gd" id="22_debug"]
 [ext_resource type="PackedScene" path="res://ui/time_display.tscn" id="23_tdisplay"]
 [ext_resource type="PackedScene" path="res://ui/examine_display.tscn" id="24_examine"]
 [ext_resource type="PackedScene" path="res://ui/journal_panel.tscn" id="25_journal"]
+[ext_resource type="PackedScene" path="res://ui/loading_screen.tscn" id="26_loading"]
+[ext_resource type="PackedScene" uid="uid://b2ndm9rvx8cqp" path="res://ui/debug_console.tscn" id="27_debug_console"]

 [node name="Game" type="Node2D"]
 script = ExtResource("1_main")
@@ -190,3 +192,9 @@ layer = 30

 ; #528: Audio settings dialog — 5-bus volume sliders, ESC/OPEN_MENU to toggle
 [node name="SettingsDialog" parent="ModalLayer" instance=ExtResource("21_settings")]
+
+; #257: Loading screen — full-screen overlay during save/load round-trip
+[node name="LoadingScreen" parent="ModalLayer" instance=ExtResource("26_loading")]
+
+; #581: Debug console — tilde key toggles, bottom 40% of screen
+[node name="DebugConsole" parent="ModalLayer" instance=ExtResource("27_debug_console")]
@@ -59,8 +59,66 @@ text = "CONTINUE"
 theme_override_font_sizes/font_size = 15
 theme_override_colors/font_color = Color(0.906, 0.773, 0.278, 1.0)

+[node name="LoadGameBtn" type="Button" parent="VBox"]
+layout_mode = 2
+text = "LOAD GAME"
+theme_override_font_sizes/font_size = 15
+theme_override_colors/font_color = Color(0.906, 0.773, 0.278, 1.0)
+
 [node name="QuitBtn" type="Button" parent="VBox"]
 layout_mode = 2
 text = "QUIT"
 theme_override_font_sizes/font_size = 15
 theme_override_colors/font_color = Color(0.533, 0.565, 0.627, 1.0)
+
+[node name="LoadGamePanel" type="Control" parent="."]
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+visible = false
+
+[node name="PanelBg" type="ColorRect" parent="LoadGamePanel"]
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+color = Color(0.05, 0.05, 0.08, 0.96)
+mouse_filter = 2
+
+[node name="VBox" type="VBoxContainer" parent="LoadGamePanel"]
+layout_mode = 1
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+offset_left = -160.0
+offset_top = -180.0
+offset_right = 160.0
+offset_bottom = 180.0
+grow_horizontal = 2
+grow_vertical = 2
+theme_override_constants/separation = 12
+
+[node name="TitleLabel" type="Label" parent="LoadGamePanel/VBox"]
+layout_mode = 2
+text = "LOAD GAME"
+horizontal_alignment = 1
+theme_override_font_sizes/font_size = 20
+theme_override_colors/font_color = Color(0.784, 0.816, 0.878, 1.0)
+
+[node name="SavesScroll" type="ScrollContainer" parent="LoadGamePanel/VBox"]
+layout_mode = 2
+custom_minimum_size = Vector2(320, 240)
+
+[node name="SavesList" type="VBoxContainer" parent="LoadGamePanel/VBox/SavesScroll"]
+layout_mode = 2
+size_flags_horizontal = 3
+theme_override_constants/separation = 8
+
+[node name="BackBtn" type="Button" parent="LoadGamePanel/VBox"]
+layout_mode = 2
+text = "BACK"
+theme_override_font_sizes/font_size = 14
+theme_override_colors/font_color = Color(0.533, 0.565, 0.627, 1.0)
@@ -8,13 +8,29 @@ extends Node
 # Used by fog shader to distinguish visual treatment per tile.
 # Test assertions reference these: assert_that(byte).is_equal(FogState.VIS_FORWARD)
 const VIS_HIDDEN: int = 0        # Not in LOS — fully fogged
-const VIS_PERIPHERAL: int = 180  # In LOS, peripheral sector — light fog dimming
+const VIS_PERIPHERAL: int = 180  # DEPRECATED: peripheral sector removed in Sprint 22 (#569). Retained — tests still reference it.
 const VIS_FORWARD: int = 255     # In LOS, forward sector — clear vision

 const EXP_UNEXPLORED: int = 0   # Never seen — total darkness
 const EXP_EXPLORED: int = 128   # Previously seen, now out of LOS — deep fog
 const EXP_VISIBLE: int = 255    # Currently in LOS — clear (written each frame)

+# Zone temperature tints (D-059 + D-046, Sprint 22) — keyed by zone_id string from server.
+# Matches audio_manager.gd ZONE_ASSETS zone_id strings for consistent zone semantics.
+# Low saturation is intentional (D-046): tints are subtle — distinguishable as warm/cool/neutral
+# in side-by-side comparison, not garish. The "Hopper test" validates this.
+# Colors are dark tints used as the fog overlay in the deep fog zone:
+#   hub/workplace: #1a1f2e (cool blue-dark — terminal, institutional)
+#   bar:           #2a1f15 (warm amber-dark — social, inhabited)
+#   corridor:      #1a1a1a (neutral dark — transitional, maintenance)
+const ZONE_TINTS: Dictionary = {
+	"hub":       Color(0.102, 0.122, 0.180),  # #1a1f2e — cool blue-dark
+	"workplace": Color(0.102, 0.122, 0.180),  # same as hub
+	"bar":       Color(0.165, 0.122, 0.082),  # #2a1f15 — warm amber-dark
+	"corridor":  Color(0.102, 0.102, 0.102),  # #1a1a1a — neutral dark
+}
+const ZONE_TINT_DEFAULT: Color = Color(0.102, 0.102, 0.102)  # #1a1a1a neutral
+
 var map_bounds: Rect2i = Rect2i(0, 0, 1, 1)
 var visibility_texture: ImageTexture
 var exploration_texture: ImageTexture
@@ -25,16 +41,34 @@ var _exp_bytes: PackedByteArray
 var _vis_image: Image
 var _exp_image: Image
 var _tint_image: Image
+# Zone tint stored as 3-channel RGB bytes (R, G, B per pixel) for preservation across resizes
+var _tint_bytes: PackedByteArray
 var _width: int = 1
 var _height: int = 1
 var _prev_visible: Dictionary = {}  # Tiles visible last frame (for incremental decay)

+## Debug flag — when true, fog.gdshader renders raw exploration texture
+## as colored overlay (green=visible, blue=explored, red=unexplored).
+## Toggle via FogState.debug_exploration = true in the console.
+var debug_exploration: bool = false
+
+## Deterministic shader time for visual test captures.
+## When >= 0, fog_shader.gd uses this instead of Time.get_ticks_msec().
+## Set before settle frames so noise phase is reproducible across runs.
+var override_time: float = -1.0
+

 func _ready() -> void:
 	_resize(Rect2i(0, 0, 64, 64))


 func _resize(bounds: Rect2i) -> void:
+	var old_bounds := map_bounds
+	var old_exp := _exp_bytes
+	var old_tint := _tint_bytes  # empty on first call (_ready); guard at line 104 skips copy
+	var old_w := _width
+	var old_h := _height
+
 	map_bounds = bounds
 	_width = maxi(bounds.size.x, 1)
 	_height = maxi(bounds.size.y, 1)
@@ -49,41 +83,92 @@ func _resize(bounds: Rect2i) -> void:
 	_exp_bytes = PackedByteArray()
 	_exp_bytes.resize(sz)
 	_exp_bytes.fill(EXP_UNEXPLORED)
+	# Preserve exploration data from old bounds into new bounds
+	if old_exp.size() > 0 and old_w > 0 and old_h > 0:
+		var dx: int = old_bounds.position.x - bounds.position.x
+		var dy: int = old_bounds.position.y - bounds.position.y
+		for oy in range(old_h):
+			var ny: int = oy + dy
+			if ny < 0 or ny >= _height:
+				continue
+			for ox in range(old_w):
+				var nx: int = ox + dx
+				if nx < 0 or nx >= _width:
+					continue
+				var old_val: int = old_exp[oy * old_w + ox]
+				if old_val > EXP_UNEXPLORED:
+					_exp_bytes[ny * _width + nx] = old_val
 	_exp_image = Image.create_from_data(_width, _height, false, Image.FORMAT_R8, _exp_bytes)
 	exploration_texture = ImageTexture.create_from_image(_exp_image)

-	# Zone tint — neutral dark for Sprint 6 (zone metadata deferred)
-	_tint_image = Image.create(_width, _height, false, Image.FORMAT_RGB8)
-	_tint_image.fill(Color(0.05, 0.05, 0.08))
+	# Zone tint — 3 bytes per pixel (RGB), default neutral dark
+	var tint_sz := sz * 3
+	_tint_bytes = PackedByteArray()
+	_tint_bytes.resize(tint_sz)
+	var default_r := int(ZONE_TINT_DEFAULT.r * 255.0)
+	var default_g := int(ZONE_TINT_DEFAULT.g * 255.0)
+	var default_b := int(ZONE_TINT_DEFAULT.b * 255.0)
+	for i in range(sz):
+		_tint_bytes[i * 3 + 0] = default_r
+		_tint_bytes[i * 3 + 1] = default_g
+		_tint_bytes[i * 3 + 2] = default_b
+	# Preserve zone tint data from old bounds (zone tints are stable — tile zone never changes)
+	if old_tint.size() > 0 and old_w > 0 and old_h > 0:
+		var dx: int = old_bounds.position.x - bounds.position.x
+		var dy: int = old_bounds.position.y - bounds.position.y
+		for oy in range(old_h):
+			var ny: int = oy + dy
+			if ny < 0 or ny >= _height:
+				continue
+			for ox in range(old_w):
+				var nx: int = ox + dx
+				if nx < 0 or nx >= _width:
+					continue
+				var old_idx := (oy * old_w + ox) * 3
+				var new_idx := (ny * _width + nx) * 3
+				_tint_bytes[new_idx + 0] = old_tint[old_idx + 0]
+				_tint_bytes[new_idx + 1] = old_tint[old_idx + 1]
+				_tint_bytes[new_idx + 2] = old_tint[old_idx + 2]
+	_tint_image = Image.create_from_data(_width, _height, false, Image.FORMAT_RGB8, _tint_bytes)
 	zone_tint_texture = ImageTexture.create_from_image(_tint_image)

 	_prev_visible.clear()


 func update_from_state() -> void:
-	# Resize if map bounds changed
-	var tiles := GameState.visible_tiles
-	if tiles.size() > 0:
-		var new_bounds := _compute_bounds(tiles)
+	# Grow bounds to include newly visible tiles — never shrink, so explored
+	# tiles behind the player stay in the texture and render as deep fog
+	# instead of black. Exploration data is preserved across resizes.
+	# Use visible_positions (always populated from server snapshots) instead of
+	# visible_tiles, which stays empty in live server mode because the server
+	# sends tile_kind but game_state.gd's population check expects "type".
+	var positions: Dictionary = GameState.visible_positions
+	if positions.size() > 0:
+		var new_bounds := _grow_bounds_from_positions(positions)
 		if new_bounds != map_bounds:
 			_resize(new_bounds)

 	var ox: int = map_bounds.position.x
 	var oy: int = map_bounds.position.y
-	var positions: Dictionary = GameState.visible_positions
-	var sectors: Dictionary = GameState.visibility_sectors

 	# TODO(v0.2): gradual decay over game-time instead of immediate EXP_VISIBLE→EXP_EXPLORED

-	# 1. Clear visibility, then write current LOS
+	# 1. Clear visibility, then write current LOS (all tiles are Forward)
 	_vis_bytes.fill(VIS_HIDDEN)
 	for pos in positions:
 		var px: int = pos.x - ox
 		var py: int = pos.y - oy
 		if px < 0 or py < 0 or px >= _width or py >= _height:
 			continue
-		var sector: String = sectors.get(pos, "Forward")
-		_vis_bytes[py * _width + px] = VIS_FORWARD if sector == "Forward" else VIS_PERIPHERAL
+		_vis_bytes[py * _width + px] = VIS_FORWARD
+	# #585: BoundaryWall margin tiles — fog lifts so wall content composites correctly,
+	# but NOT in visible_positions so they don't persist as explored memory.
+	for pos in GameState.boundary_positions:
+		var px: int = pos.x - ox
+		var py: int = pos.y - oy
+		if px < 0 or py < 0 or px >= _width or py >= _height:
+			continue
+		_vis_bytes[py * _width + px] = VIS_FORWARD
 	_vis_image.set_data(_width, _height, false, Image.FORMAT_R8, _vis_bytes)
 	visibility_texture.update(_vis_image)

@@ -106,24 +191,58 @@ func update_from_state() -> void:
 	_exp_image.set_data(_width, _height, false, Image.FORMAT_R8, _exp_bytes)
 	exploration_texture.update(_exp_image)

+	# 3. Zone tint: write zone temperature color for currently visible tiles.
+	#    Zone data is stable (tile zone never changes) so we only write on first sight.
+	#    Data persists in _tint_bytes across frames and across resizes.
+	#    visible_tiles carries zone_id per tile (populated from snapshot "tiles" or
+	#    "visible_tiles" with type field — see game_state.gd apply_snapshot).
+	var tiles := GameState.visible_tiles
+	var tint_dirty := false
+	for tile in tiles:
+		if not tile is Dictionary or not tile.has("x") or not tile.has("y"):
+			continue
+		var zone_id: String = str(tile.get("zone_id", ""))
+		if zone_id.is_empty():
+			continue
+		var tint_color: Color = ZONE_TINTS.get(zone_id, ZONE_TINT_DEFAULT)
+		var px: int = int(tile.x) - ox
+		var py: int = int(tile.y) - oy
+		if px < 0 or py < 0 or px >= _width or py >= _height:
+			continue
+		var tint_idx := (py * _width + px) * 3
+		var new_r := int(tint_color.r * 255.0)
+		var new_g := int(tint_color.g * 255.0)
+		var new_b := int(tint_color.b * 255.0)
+		# Only update if different from current (avoid spurious texture uploads)
+		if _tint_bytes[tint_idx] != new_r or _tint_bytes[tint_idx + 1] != new_g or _tint_bytes[tint_idx + 2] != new_b:
+			_tint_bytes[tint_idx + 0] = new_r
+			_tint_bytes[tint_idx + 1] = new_g
+			_tint_bytes[tint_idx + 2] = new_b
+			tint_dirty = true
+	if tint_dirty:
+		_tint_image.set_data(_width, _height, false, Image.FORMAT_RGB8, _tint_bytes)
+		zone_tint_texture.update(_tint_image)
+
 	# Shallow copy — correct for Dictionary<Vector2i, bool/String> values
 	_prev_visible = positions.duplicate()


-func _compute_bounds(tiles: Array) -> Rect2i:
+func _grow_bounds_from_positions(positions: Dictionary) -> Rect2i:
+	## Compute bounds from visible_positions (Dictionary[Vector2i, bool]).
 	var min_x := 999999
 	var min_y := 999999
 	var max_x := -999999
 	var max_y := -999999
-	for tile in tiles:
-		if not tile is Dictionary or not tile.has("x") or not tile.has("y"):
-			continue
-		min_x = mini(min_x, int(tile.x))
-		min_y = mini(min_y, int(tile.y))
-		max_x = maxi(max_x, int(tile.x))
-		max_y = maxi(max_y, int(tile.y))
-	# Guard: all tiles invalid (no x/y) — sentinels would produce negative Rect2i
+	for pos in positions:
+		min_x = mini(min_x, pos.x)
+		min_y = mini(min_y, pos.y)
+		max_x = maxi(max_x, pos.x)
+		max_y = maxi(max_y, pos.y)
 	if min_x > max_x:
-		return Rect2i(0, 0, 1, 1)
-	# Margin for fog gradient bleed at edges
-	return Rect2i(min_x - 4, min_y - 4, max_x - min_x + 9, max_y - min_y + 9)
+		return map_bounds
+	var tile_bounds := Rect2i(min_x - 8, min_y - 8, max_x - min_x + 17, max_y - min_y + 17)
+	if map_bounds.size.x <= 1 and map_bounds.size.y <= 1:
+		return tile_bounds
+	return map_bounds.merge(tile_bounds)
+
+
@@ -18,7 +18,8 @@ var current_tick: int = 0
 var player_position: Vector2 = Vector2.ZERO
 var visible_entities: Array = []
 var visible_tiles: Array = []
-var visible_positions: Dictionary = {}  # Vector2i -> true, for fast fog lookups
+var visible_positions: Dictionary = {}   # Vector2i -> true, for fast fog lookups (normal LOS tiles)
+var boundary_positions: Dictionary = {}  # Vector2i -> true, BoundaryWall margin tiles (#585) — visible in fog but not explored

 # v2 fields (D-015, D-031)
 var game_time: Dictionary = {}  # {day, time_of_day, day_phase, tick_rate} or empty
@@ -66,6 +67,12 @@ var gauntlet_mode: bool = false  # true when snapshot includes gauntlet_mode fla
 # the server's "insert_active" snapshot field, disabling all z-layer-6 UI.
 var insert_active: bool = true

+# #175: World seed for deterministic simulation (D-010, D-029).
+# Set by SessionManager.new_game(), sent to server via StartupMessage in SimBridge.
+# Same seed → same EntanglementConfig → same NPC population across playthroughs.
+# Persists for the session lifetime; not overwritten by apply_snapshot().
+var world_seed: int = 0
+
 # #507: RNG seed for replay determinism — populated from snapshot "rng_seed" field.
 # Null in v0.1 (server does not yet send this field; protocol change required).
 var rng_seed: Variant = null
@@ -75,6 +82,16 @@ var rng_seed: Variant = null
 # One-shot: consumed by main.gd after display, then set back to null.
 var save_result: Variant = null

+# v18 fields (#580): debug console response from server.
+# {command: String, text: String, success: bool} or null.
+# One-shot: consumed by main.gd and forwarded to DebugConsole, then set to null.
+var debug_response: Variant = null
+
+# #257: Pending load path — set by main menu "Load Game" selection.
+# main.gd sends LOAD_GAME on startup if non-empty, then clears this field.
+# Format: user://saves/<game-id>/<filename>.sav or "" if no pending load.
+var pending_load_path: String = ""
+
 # v7 fields (#431, D-059/D-060)
 var pending_recognitions: Array = []  # [{entity_id, x, y, z, remaining_ticks, total_delay_ticks}]

@@ -109,14 +126,17 @@ var medium_sound_events: Array = []
 var close_sound_events: Array = []

 # D-071 (#530): Consecutive ticks without player position change.
-# Incremented per snapshot in apply_snapshot(). Reset to 0 on movement.
+# D-020: Server-authoritative — read from snapshot "stationary_ticks" field.
+# Fallback: client-side accumulation (deprecated, remove when server populates field).
 # ListeningFocus boost activates at 30+ ticks (main.gd manages the dip).
 var stationary_ticks: int = 0
+# DEPRECATED: Only used by client-side accumulation fallback. Remove with fallback.
 var _prev_player_position: Vector2 = Vector2(-1e9, -1e9)  # sentinel: no previous position

 # D-073 (#529): Server-authoritative zone_id from the player's current tile.
-# Extracted in apply_snapshot() — avoids O(N) tile scan in main.gd per Tyre review.
-# Empty string when zone_id field absent (server hasn't shipped OQ-09 yet).
+# D-020: Read directly from snapshot "zone_id" field.
+# Fallback: client-side tile lookup (deprecated, remove when server populates field).
+# Empty string when zone_id field absent.
 var current_zone_id: String = ""

 func apply_snapshot(snapshot: Dictionary) -> void:
@@ -140,12 +160,19 @@ func apply_snapshot(snapshot: Dictionary) -> void:
 			push_warning("GameState: no Player entity found in %d entities" % [
 				visible_entities.size()])

-	# D-071 (#530): Track consecutive stationary ticks for ListeningFocus boost.
-	# Compares current player_position against previous snapshot's position.
-	if player_position == _prev_player_position:
-		stationary_ticks += 1
+	# D-020/D-071 (#530): Server-authoritative stationary_ticks for ListeningFocus boost.
+	# Prefer server-sent value; fall back to client-side accumulation until server populates.
+	if snapshot.has("stationary_ticks") and snapshot.stationary_ticks is int:
+		# D-020: direct field assignment from server-authoritative snapshot.
+		stationary_ticks = snapshot.stationary_ticks
 	else:
-		stationary_ticks = 0
+		# DEPRECATED fallback — client-side accumulation. Remove when server sends
+		# "stationary_ticks" in ObserverSnapshot (D-020 violation: derives behavior-
+		# driving state on the client). Server tracks this in ListeningFocus component.
+		if player_position == _prev_player_position:
+			stationary_ticks += 1
+		else:
+			stationary_ticks = 0
 	_prev_player_position = player_position

 	# Tiles for rendering: test mode sends "tiles", live server sends tile data in "visible_tiles"
@@ -290,34 +317,55 @@ func apply_snapshot(snapshot: Dictionary) -> void:
 	else:
 		save_result = null

+	# v18: debug_response (#580) — debug console command result.
+	if snapshot.has("debug_response") and snapshot.debug_response is Dictionary:
+		debug_response = snapshot.debug_response
+	else:
+		debug_response = null
+
 	# v14: player_knowledge (#264, D-041) — partial KG dump for journal panel.
 	# Only update when field is present (null means no change, server sends when KG changes).
 	if snapshot.has("player_knowledge") and snapshot.player_knowledge is Dictionary:
 		player_knowledge = snapshot.player_knowledge

-	# D-073 (#529): O(1) zone_id lookup. Build coord→tile dict from member visible_tiles
-	# (populated above from either "tiles" test-mode key or "visible_tiles" live key).
-	# Must use the member var, not snapshot.visible_tiles, so test mode is covered.
-	var _tile_by_coord: Dictionary = {}
-	for vtile in visible_tiles:
-		if vtile is Dictionary and vtile.has("x") and vtile.has("y"):
-			_tile_by_coord[Vector2i(vtile.x, vtile.y)] = vtile
-	var player_pos_key := Vector2i(int(player_position.x), int(player_position.y))
-	var player_tile = _tile_by_coord.get(player_pos_key, null)
-	current_zone_id = player_tile.get("zone_id", "") if player_tile else ""
+	# D-020/D-073 (#529): Server-authoritative zone_id for zone ambient crossfade.
+	# Prefer server-sent top-level value; fall back to client-side tile lookup until
+	# server populates top-level "zone_id" in ObserverSnapshot.
+	if snapshot.has("zone_id") and snapshot.zone_id is String:
+		# D-020: direct field assignment from server-authoritative snapshot.
+		current_zone_id = snapshot.zone_id
+	else:
+		# DEPRECATED fallback — client-side tile lookup. Remove when server sends
+		# top-level "zone_id" in ObserverSnapshot (D-020 violation: derives zone
+		# identity on the client via tile iteration). Server sends zone_id per
+		# VisibleTile but not as a top-level snapshot field.
+		var _tile_by_coord: Dictionary = {}
+		for vtile in visible_tiles:
+			if vtile is Dictionary and vtile.has("x") and vtile.has("y"):
+				_tile_by_coord[Vector2i(vtile.x, vtile.y)] = vtile
+		var player_pos_key := Vector2i(int(player_position.x), int(player_position.y))
+		var player_tile = _tile_by_coord.get(player_pos_key, null)
+		current_zone_id = player_tile.get("zone_id", "") if player_tile else ""

 	# v2: visible_tiles with visibility sectors
-	# Derives visible_positions when not explicitly provided (real server mode)
+	# Derives visible_positions when not explicitly provided (real server mode).
+	# #585: BoundaryWall tiles go to boundary_positions — rendered in fog but not marked explored.
 	if snapshot.has("visible_tiles") and snapshot.visible_tiles is Array and snapshot.visible_tiles.size() > 0:
 		visibility_sectors.clear()
 		var has_explicit_positions := snapshot.has("visible_positions")
 		if not has_explicit_positions:
 			visible_positions.clear()
+		boundary_positions.clear()
 		for vtile in snapshot.visible_tiles:
 			if not vtile is Dictionary or not vtile.has("x") or not vtile.has("y"):
 				continue
 			var pos := Vector2i(vtile.x, vtile.y)
+			var vis_sector: String = vtile.get("visibility", "")
 			if vtile.has("visibility"):
-				visibility_sectors[pos] = vtile.visibility
-			if not has_explicit_positions:
+				visibility_sectors[pos] = vis_sector
+			# #585: BoundaryWall tiles are margin tiles visible through fog but not persistently
+			# explored — they don't update the player's exploration memory when they leave LOS.
+			if vis_sector == "BoundaryWall":
+				boundary_positions[pos] = true
+			elif not has_explicit_positions:
 				visible_positions[pos] = true
@@ -24,6 +24,7 @@ enum Action {
 	TELEPORT_HUB,  # #501: Home key — Gauntlet dev teleport (not production fast-travel)
 	SAVE_GAME,  # #554: F5 quicksave — sends SaveGame to server with save path
 	LOAD_GAME,  # #554: F6 quickload — sends LoadGame to server with save path
+	DEBUG_COMMAND,  # #581: debug console command dispatch — sends DebugCommandKind to server
 }

 var input_queue: Array[Dictionary] = []
@@ -31,12 +31,27 @@ func new_game() -> String:
 			save_path, error_string(err)])
 		return ""
 	GameState.current_game_id = game_id
+
+	# #175: Generate world_seed for deterministic simulation (D-010, D-029).
+	# Combines two randi() calls (u32 each) into 63-bit entropy range.
+	# Mask bit 31 of the upper word before shifting to prevent signed overflow:
+	# GDScript int is i64 — if bit 63 is set, MessagePack encodes as negative,
+	# and Rust rmp_serde rejects negative values when deserializing as u64.
+	GameState.world_seed = ((rng.randi() & 0x7FFFFFFF) << 32) | rng.randi()
+
+	# Persist world_seed to save directory so resume_game() can restore it.
+	# Without this, loaded sessions would send seed=0, breaking D-010 determinism.
+	_write_seed_file(save_path, GameState.world_seed)
+
 	return game_id


 ## Resume an existing game session by setting the active game-id.
+## Restores world_seed from the save directory for D-010 deterministic replay.
 func resume_game(game_id: String) -> void:
 	GameState.current_game_id = game_id
+	var save_path := SAVES_DIR + game_id + "/"
+	GameState.world_seed = _read_seed_file(save_path)


 ## List all game directories under user://saves/ sorted by last-modified (most recent first).
@@ -111,6 +126,26 @@ func _cleanup_quit_dialog() -> void:
 	_quit_dialog = null


+## Write world_seed to a file in the save directory for session persistence.
+func _write_seed_file(save_path: String, seed: int) -> void:
+	var file := FileAccess.open(save_path + "world_seed", FileAccess.WRITE)
+	if file == null:
+		push_error("SessionManager: failed to write seed file: %s" % error_string(FileAccess.get_open_error()))
+		return
+	file.store_64(seed)
+
+
+## Read world_seed from save directory. Returns 0 if file missing (legacy saves).
+## Masks the sign bit on read: save files written before the signed-overflow fix
+## may contain negative i64 values that Rust rmp_serde rejects as u64.
+func _read_seed_file(save_path: String) -> int:
+	var file := FileAccess.open(save_path + "world_seed", FileAccess.READ)
+	if file == null:
+		push_warning("SessionManager: no seed file in %s — using seed=0 (legacy save)" % save_path)
+		return 0
+	return file.get_64() & 0x7FFFFFFFFFFFFFFF
+
+
 func _find_newest_save(dir_path: String) -> String:
 	var dir := DirAccess.open(dir_path)
 	if dir == null:
@@ -0,0 +1 @@
+uid://b357ok64jc8vp
@@ -231,6 +231,26 @@ func _process(delta: float) -> void:
 			_set_state(ConnectionState.ERROR)
 			return

+		# Send startup message with world_seed (#175, D-010/D-029).
+		# Server blocks waiting for this before entering the tick loop.
+		var startup_bytes := Protocol.encode_startup_message(GameState.world_seed)
+		if startup_bytes.size() > 0:
+			var send_err := _bridge.send_message(startup_bytes)
+			if send_err != OK:
+				var reason := "Failed to send startup message: %s" % error_string(send_err)
+				push_error("SimBridge: %s" % reason)
+				handshake_failed.emit(reason)
+				_bridge.disconnect_from_server()
+				_set_state(ConnectionState.ERROR)
+				return
+		else:
+			var reason := "Failed to encode startup message"
+			push_error("SimBridge: %s" % reason)
+			handshake_failed.emit(reason)
+			_bridge.disconnect_from_server()
+			_set_state(ConnectionState.ERROR)
+			return
+
 		handshake_complete.emit(server_version)
 		_set_state(ConnectionState.CONNECTED)
 		return
@@ -396,6 +416,8 @@ static func action_enum_to_wire(action: int) -> String:
 			return "SaveGame"  # #554: F5 quicksave (D-085)
 		InputMapper.Action.LOAD_GAME:
 			return "LoadGame"  # #554: F6 quickload (D-085)
+		InputMapper.Action.DEBUG_COMMAND:
+			return "DebugCommand"  # #581: debug console command dispatch
 		_:
 			push_warning("SimBridge: unknown action enum %s" % action)
 			return ""
@@ -49,44 +49,6 @@ func reload() -> void:

 ## Parse YAML with arbitrary nesting depth.
 ## Returns flat Dictionary with dotted keys: { "section.sub.key": "value" }.
+## Delegates to YamlParser.parse_flat() (#560).
 static func _parse_yaml(text: String) -> Dictionary:
-	var strings := {}
-	var stack: Array = []  # [[indent, key], ...]
-	for line in text.split("\n"):
-		var stripped := line.strip_edges(false, true)
-		if stripped.is_empty() or stripped.begins_with("#"):
-			continue
-		var indent := line.length() - line.lstrip(" ").length()
-		var content := stripped.strip_edges()
-		var colon_pos := content.find(":")
-		if colon_pos < 0:
-			continue
-		var key := content.substr(0, colon_pos).strip_edges()
-		var val := content.substr(colon_pos + 1).strip_edges()
-		# Trailing comment without a value — treat as section header
-		if val.begins_with("#"):
-			val = ""
-		# Pop sections at same or deeper indent
-		while stack.size() > 0 and stack.back()[0] >= indent:
-			stack.pop_back()
-		if val.is_empty():
-			# Section header — push onto stack
-			stack.push_back([indent, key])
-		else:
-			# Leaf value — extract from quotes or strip inline comment
-			if val.begins_with("\""):
-				var end_quote := val.find("\"", 1)
-				if end_quote > 0:
-					val = val.substr(1, end_quote - 1)
-				else:
-					val = val.substr(1)
-			else:
-				var comment_pos := val.find(" #")
-				if comment_pos >= 0:
-					val = val.substr(0, comment_pos).strip_edges()
-			var dotted_key := ""
-			for entry in stack:
-				dotted_key += entry[1] + "."
-			dotted_key += key
-			strings[dotted_key] = val
-	return strings
+	return YamlParser.parse_flat(text)
@@ -233,12 +233,7 @@ func _find_entity(entity_id: int) -> bool:
 	return false


-# -- YAML parsing (checklist-specific) -----------------------------------------
-# Handles the constrained checklist YAML format: top-level key:value pairs,
-# a conditions array of flat dictionaries. No nested arrays or anchors.
-#
-# Limitation: unquoted values containing " #" are truncated at the comment marker.
-# Use quoted strings ("value # with hash") if values must contain literal hashes.
+# -- YAML parsing --------------------------------------------------------------

 func _load_checklist_file(path: String) -> Dictionary:
 	if not FileAccess.file_exists(path):
@@ -252,103 +247,6 @@ func _load_checklist_file(path: String) -> Dictionary:
 	return parse_checklist_yaml(text)


+## Delegates to YamlParser.parse() (#560).
 static func parse_checklist_yaml(text: String) -> Dictionary:
-	var result := {}
-	var conditions: Array = []
-	var current_item: Dictionary = {}
-	var in_conditions := false
-
-	for line in text.split("\n"):
-		var stripped := line.strip_edges(false, true)
-		if stripped.is_empty() or stripped.strip_edges().begins_with("#"):
-			continue
-
-		var indent := line.length() - line.lstrip(" ").length()
-		var content := stripped.strip_edges()
-
-		# Detect conditions: array header
-		if content == "conditions:":
-			in_conditions = true
-			continue
-
-		if not in_conditions:
-			# Top-level key: value
-			var colon := content.find(":")
-			if colon >= 0:
-				var key := content.substr(0, colon).strip_edges()
-				var val_str := content.substr(colon + 1).strip_edges()
-				result[key] = _parse_value(val_str)
-		else:
-			if content.begins_with("- "):
-				# New array item — flush previous
-				if not current_item.is_empty():
-					conditions.append(current_item)
-				current_item = {}
-				var rest := content.substr(2).strip_edges()
-				var colon := rest.find(":")
-				if colon >= 0:
-					var key := rest.substr(0, colon).strip_edges()
-					var val_str := rest.substr(colon + 1).strip_edges()
-					current_item[key] = _parse_value(val_str)
-			elif indent >= 2 and not current_item.is_empty():
-				# Continuation of current array item
-				var colon := content.find(":")
-				if colon >= 0:
-					var key := content.substr(0, colon).strip_edges()
-					var val_str := content.substr(colon + 1).strip_edges()
-					current_item[key] = _parse_value(val_str)
-			elif indent == 0:
-				# Back to top level — shouldn't happen in valid checklist YAML
-				in_conditions = false
-				if not current_item.is_empty():
-					conditions.append(current_item)
-					current_item = {}
-				var colon := content.find(":")
-				if colon >= 0:
-					var key := content.substr(0, colon).strip_edges()
-					var val_str := content.substr(colon + 1).strip_edges()
-					result[key] = _parse_value(val_str)
-
-	# Flush last item
-	if not current_item.is_empty():
-		conditions.append(current_item)
-
-	if not conditions.is_empty():
-		result["conditions"] = conditions
-
-	return result
-
-
-static func _parse_value(val: String) -> Variant:
-	if val.is_empty():
-		return ""
-
-	# Strip inline comments (not inside quotes)
-	if not val.begins_with("\""):
-		var comment_pos := val.find(" #")
-		if comment_pos >= 0:
-			val = val.substr(0, comment_pos).strip_edges()
-
-	# Quoted string
-	if val.begins_with("\""):
-		var end_quote := val.find("\"", 1)
-		if end_quote > 0:
-			return val.substr(1, end_quote - 1)
-		return val.substr(1)
-
-	# Boolean
-	if val == "true":
-		return true
-	if val == "false":
-		return false
-
-	# Float (contains decimal point)
-	if val.contains(".") and val.is_valid_float():
-		return val.to_float()
-
-	# Integer
-	if val.is_valid_int():
-		return val.to_int()
-
-	# Plain string
-	return val
+	return YamlParser.parse(text)
@@ -21,6 +21,8 @@ extends Node2D
@onready var debug_overlay = $UILayer/DebugOverlay  # #511: F3 debug overlay
@onready var bug_report_dialog = $ModalLayer/BugReportDialog  # #495: F12 WRONG button
@onready var settings_dialog = $ModalLayer/SettingsDialog     # #528: audio settings (ESC/OPEN_MENU)
+@onready var loading_screen = $ModalLayer/LoadingScreen       # #257: blocking overlay during load
+@onready var debug_console = $ModalLayer/DebugConsole         # #581: tilde debug console

 var _last_dialogue_npc_id: int = -1  # D-064: NPC entity_id for WalkAway input
 var _last_dialogue_npc_name: String = ""  # #535: NPC name for dialogue_response attribution
@@ -33,6 +35,7 @@ var _flash_rect: ColorRect = null  # #502/#501: ephemeral screen flash overlay (
 var _teleport_in_progress: bool = false  # #501/#117: forces camera snap (not lerp) on next _process frame
 var _pending_record_inputs: Array = []   # #507: accumulates server-bound inputs across frames; flushed into record_tick() on snapshot arrival
 var _current_zone: String = ""           # D-073 (#529): zone tracking for ambient crossfades
+var _router: SnapshotEventRouter        # #559: callable-based snapshot dispatch

 const LISTENING_FOCUS_TICKS: int = 30  # D-071: stationary ticks before ListeningFocus boost activates

@@ -48,6 +51,17 @@ func _ready() -> void:
 	# Connect to simulation (test mode sets CONNECTED immediately)
 	SimBridge.connect_to_sim()

+	# #257: If returning from main menu "Load Game" selection, defer dispatch until connected.
+	# In test mode, connect_to_sim() sets CONNECTED synchronously — dispatch fires immediately.
+	# In live mode, state is CONNECTING — signal handler dispatches once connected.
+	if not GameState.pending_load_path.is_empty():
+		if loading_screen:
+			loading_screen.show_loading()
+		if SimBridge.state == SimBridge.ConnectionState.CONNECTED:
+			_dispatch_pending_load()
+		else:
+			SimBridge.connection_state_changed.connect(_on_sim_connected_for_load)
+
 	# Camera anchor: snap to player position before the first frame renders.
 	# In test mode poll_snapshot() returns synchronously — position is set
 	# immediately. In live mode the snapshot isn't available yet — _process
@@ -65,11 +79,61 @@ func _ready() -> void:
 		dialogue_box.confrontation_monologue.connect(_on_confrontation_monologue)
 		dialogue_box.pause_requested.connect(_on_dialogue_pause_requested)
 		dialogue_box.unpause_requested.connect(_on_dialogue_unpause_requested)
+		# D-020 (#558): Decoupled signals — coordinator routes state changes.
+		dialogue_box.dialogue_state_changed.connect(_on_dialogue_state_changed)
+		dialogue_box.audio_dip_requested.connect(_on_audio_dip_requested)
+		dialogue_box.audio_dip_cleared.connect(_on_audio_dip_cleared)

 	# #496: Print gauntlet session summary on disconnect
 	if gauntlet_hud:
 		SimBridge.connection_state_changed.connect(_on_connection_state_changed)

+	# #559: Register snapshot dispatch handlers — replaces inline dispatch in _process().
+	_router = SnapshotEventRouter.new()
+	# Always-run: child nodes that update from GameState on every snapshot tick.
+	if world_renderer:
+		_router.register_always(world_renderer.update_from_state)
+	_router.register_always(_propagate_insert_state)
+	_router.register_always(_update_interaction_list)
+	if inventory_grid:
+		_router.register_always(inventory_grid.update_from_state)
+	if stance_indicator:
+		_router.register_always(stance_indicator.update_from_state)
+	if fog_entities:
+		_router.register_always(fog_entities.update_from_state)
+	_router.register_always(_play_recognition_chimes)
+	if gauntlet_hud:
+		_router.register_always(gauntlet_hud.update_from_state)
+	if checklist_overlay:
+		_router.register_always(checklist_overlay.update_from_state)
+	if time_display:
+		_router.register_always(time_display.update_from_state)
+	if journal_panel:
+		_router.register_always(journal_panel.update_from_state)
+	if debug_overlay:
+		_router.register_always(debug_overlay.update_from_state)
+	_router.register_always(_play_close_sound_events)
+	_router.register_always(_update_zone)
+	_router.register_always(_update_listening_focus)
+	_router.register_always(_consume_examine_result)
+	# Keyed: consume methods guarded by specific snapshot fields.
+	_router.register("current_monologue", _consume_monologue)
+	_router.register("current_dialogue", _consume_dialogue)
+	_router.register("conversation_events", _consume_conversation_events)
+	_router.register("conversation_ended", _consume_conversation_ended)
+	_router.register("dialogue_response", _consume_dialogue_response)
+	_router.register("save_result", _consume_save_result)
+	_router.register("debug_response", _consume_debug_response)
+
+	# #581: Wire settings_dialog debug console toggle → debug_console.set_enabled
+	if settings_dialog and debug_console:
+		settings_dialog.debug_console_toggled.connect(debug_console.set_enabled)
+
+	# #581 D-088: Wire debug console pause/unpause — sim must not advance during debug input
+	if debug_console:
+		debug_console.pause_requested.connect(_on_dialogue_pause_requested)
+		debug_console.unpause_requested.connect(_on_dialogue_unpause_requested)
+

 func _process(delta: float) -> void:
 	# Main game loop: poll snapshot, apply state, flush input
@@ -89,92 +153,9 @@ func _process(delta: float) -> void:
 			camera.global_position = GameState.player_position * Constants.TILE_SIZE
 			_camera_anchored = true

-		# Update renderers with new state
-		if world_renderer and world_renderer.has_method("update_from_state"):
-			world_renderer.update_from_state()
-
-		# OQ-07 (#522): propagate insert state to all z-layer-6 display nodes.
-		# Cursor shape still fires (D-056 option a) — only verb labels suppressed.
-		var insert_state := GameState.insert_active
-		if cursor_renderer and cursor_renderer.has_method("set_insert_active"):
-			cursor_renderer.set_insert_active(insert_state)
-		if interaction_list and interaction_list.has_method("set_insert_active"):
-			interaction_list.set_insert_active(insert_state)
-		if interaction_prompt and interaction_prompt.has_method("set_insert_active"):
-			interaction_prompt.set_insert_active(insert_state)
-		if minimap and minimap.has_method("set_insert_active"):
-			minimap.set_insert_active(insert_state)
-
-		# D-057: Update interaction list from game state
-		# Suppress during dialogue — player is in conversation, verb list is noise
-		if interaction_list and interaction_list.has_method("update_from_state"):
-			if dialogue_box and dialogue_box.is_dialogue_active():
-				if interaction_list.is_showing():
-					interaction_list.hide_list()
-			else:
-				interaction_list.update_from_state()
-
-		# D-065: Update inventory grid
-		if inventory_grid and inventory_grid.has_method("update_from_state"):
-			inventory_grid.update_from_state()
-
-		# D-053: Update stance indicator
-		if stance_indicator and stance_indicator.has_method("update_from_state"):
-			stance_indicator.update_from_state()
-
-		# D-059/D-060: Update fog entity visualization (#431)
-		if fog_entities and fog_entities.has_method("update_from_state"):
-			fog_entities.update_from_state()
-
-		# D-067: Recognition chime — fire sfx_monologue_chime on first fog recognition
-		_play_recognition_chimes()
-
-		# #496: Update gauntlet HUD (room timer + personal bests)
-		if gauntlet_hud and gauntlet_hud.has_method("update_from_state"):
-			gauntlet_hud.update_from_state()
-
-		# #503: Update checklist overlay (auto-checklist progress tracking)
-		if checklist_overlay and checklist_overlay.has_method("update_from_state"):
-			checklist_overlay.update_from_state()
-
-		# #263: Update time display (D-013, D-031)
-		if time_display and time_display.has_method("update_from_state"):
-			time_display.update_from_state()
-
-		# #264: Update journal panel — auto-close on dialogue, refresh if open
-		if journal_panel and journal_panel.has_method("update_from_state"):
-			journal_panel.update_from_state()
-
-		# #511: Update debug overlay (F3 toggle, dev tool)
-		if debug_overlay and debug_overlay.has_method("update_from_state"):
-			debug_overlay.update_from_state()
-
-		# D-018 #125: Play close-range sound events via positional 2D audio
-		_play_close_sound_events()
-
-		# D-073 (#529): Zone ambient crossfade — detect player tile zone, trigger set_zone on change.
-		_update_zone()
-
-		# D-071 (#530): ListeningFocus boost — stationary 30+ ticks boosts WorldSFX.
-		# Only activates when no dialogue/confrontation dip is active (D-070).
-		_update_listening_focus()
-
-		# #174: Show examine result if server sent one this tick (#242)
-		_consume_examine_result()
-
-		# Show monologue if server sent one this tick (#414)
-		_consume_monologue()
-
-		# D-061: Show dialogue if server sent one this tick (#434)
-		_consume_dialogue()
-
-		# #535: Consume overheard conversation events and responses
-		_consume_conversation_events()
-		_consume_conversation_ended()
-		_consume_dialogue_response()
-
-		# #554: Show save/load result notification
-		_consume_save_result()
+		# #559: Dispatch snapshot to registered handlers (router pattern).
+		# Always-run handlers update child nodes; keyed handlers fire for present fields.
+		_router.dispatch(snapshot)

 	# Track camera to player (D-015: locked, fixed-north).
 	# #117: Manual exponential smoothing — same pattern as EntityRenderer.LERP_SPEED.
@@ -203,6 +184,15 @@ func _process(delta: float) -> void:
 		if input.action == InputMapper.Action.OPEN_JOURNAL:
 			_toggle_journal()
 			continue
+		# #257: LOAD_GAME — send first, then show loading screen (avoids stuck overlay if send fails)
+		if input.action == InputMapper.Action.LOAD_GAME:
+			var err := SimBridge.send_input(input)
+			_pending_record_inputs.append(input)
+			if err == OK and loading_screen:
+				loading_screen.show_loading()
+			elif err != OK:
+				push_error("main.gd: LOAD_GAME send_input failed: %s" % error_string(err))
+			continue
 		# #528: ESC/OPEN_MENU — client-only, toggle audio settings dialog
 		if input.action == InputMapper.Action.OPEN_MENU:
 			if settings_dialog:
@@ -247,6 +237,32 @@ func _process(delta: float) -> void:
 		_pending_record_inputs.clear()


+# OQ-07 (#522): Propagate insert state to all z-layer-6 display nodes.
+# Cursor shape still fires (D-056 option a) — only verb labels suppressed.
+func _propagate_insert_state() -> void:
+	var insert_state := GameState.insert_active
+	if cursor_renderer:
+		cursor_renderer.set_insert_active(insert_state)
+	if interaction_list:
+		interaction_list.set_insert_active(insert_state)
+	if interaction_prompt:
+		interaction_prompt.set_insert_active(insert_state)
+	if minimap:
+		minimap.set_insert_active(insert_state)
+
+
+# D-057: Update interaction list from game state.
+# Suppress during dialogue — player is in conversation, verb list is noise.
+func _update_interaction_list() -> void:
+	if not interaction_list:
+		return
+	if dialogue_box and dialogue_box.is_dialogue_active():
+		if interaction_list.is_showing():
+			interaction_list.hide_list()
+	else:
+		interaction_list.update_from_state()
+
+
 # D-018 #125: Play close-range sound events — fired once per snapshot tick.
 # Each event is passed to AudioManager.play_sound_event() for 2D positional playback
 # on the WorldSFX bus. Events with no registered asset are silently skipped (D-038).
@@ -346,7 +362,8 @@ func _consume_dialogue() -> void:
 	dialogue_box.show_dialogue(
 		dlg.get("npc_name", ""),
 		dlg.get("speech", ""),
-		dlg.get("options", [])
+		dlg.get("options", []),
+		_last_dialogue_npc_id
 	)
 	GameState.current_dialogue = null

@@ -376,20 +393,25 @@ func _consume_dialogue_response() -> void:
 	if GameState.dialogue_response == null or not dialogue_box:
 		return
 	var dr: Dictionary = GameState.dialogue_response
+	# v0.1: falls back to _last_dialogue_npc_id if wire omits speaker_entity_id.
+	# Edge case: fast re-engagement with a different NPC could misattribute — low probability.
 	var speaker_entity_id: int = dr.get("speaker_entity_id", _last_dialogue_npc_id)
 	var speaker_color_index: int = dr.get("speaker_color_index", -1)
 	var speaker_name: String = dr.get("speaker_name", _last_dialogue_npc_name)
 	dialogue_box.update_entity_display(speaker_entity_id, speaker_name, speaker_color_index)
-	dialogue_box.append_dialogue_response(speaker_name, dr.get("text", ""))
+	dialogue_box.append_dialogue_response(speaker_name, dr.get("text", ""), speaker_entity_id)
 	GameState.dialogue_response = null


-# #554: Show save/load result notification from server response.
+# #554/#257: Show save/load result notification; hide loading screen on load complete.
 func _consume_save_result() -> void:
 	if GameState.save_result == null:
 		return
 	var result: Dictionary = GameState.save_result
 	GameState.save_result = null  # consume once
+	# #257: Dismiss loading screen regardless of success/failure
+	if loading_screen:
+		loading_screen.hide_loading()
 	var msg: String
 	if result.get("success", false):
 		if result.get("kind", "") == "save":
@@ -405,6 +427,14 @@ func _consume_save_result() -> void:
 		monologue_display.show_notification(msg)


+# #581: Forward debug_response from server to the debug console.
+func _consume_debug_response() -> void:
+	if GameState.debug_response == null or not debug_console:
+		return
+	debug_console.append_response(GameState.debug_response)
+	GameState.debug_response = null
+
+
 # D-061: Handle dialogue option selection → send to server
 func _on_dialogue_option_selected(response_id: String, text: String) -> void:
 	SimBridge.send_input({
@@ -456,12 +486,54 @@ func _on_dialogue_dismissed() -> void:
 	})


+# D-020 (#558): Coordinator handles dialogue state changes from dialogue_box.
+# Synchronous signal — GameState.dialogue_active updates same frame (D-064).
+func _on_dialogue_state_changed(active: bool) -> void:
+	GameState.dialogue_active = active
+
+
+# D-020 (#558): Coordinator routes audio dip requests from dialogue_box.
+func _on_audio_dip_requested(profile: String) -> void:
+	AudioManager.apply_dip(profile)
+
+
+# D-020 (#558): Coordinator routes audio dip clear from dialogue_box.
+func _on_audio_dip_cleared() -> void:
+	AudioManager.clear_dip()
+
+
 # #496: Finalize gauntlet stats on disconnect
 func _on_connection_state_changed(old_state: SimBridge.ConnectionState, new_state: SimBridge.ConnectionState) -> void:
 	if new_state == SimBridge.ConnectionState.DISCONNECTED and gauntlet_hud:
 		gauntlet_hud.finalize()


+# #257: Deferred LOAD_GAME dispatch — fires once when SimBridge reaches CONNECTED.
+# pending_load_path is set by main_menu.gd before scene change.
+func _on_sim_connected_for_load(_old_state: SimBridge.ConnectionState, new_state: SimBridge.ConnectionState) -> void:
+	if new_state != SimBridge.ConnectionState.CONNECTED:
+		return
+	if SimBridge.connection_state_changed.is_connected(_on_sim_connected_for_load):
+		SimBridge.connection_state_changed.disconnect(_on_sim_connected_for_load)
+	_dispatch_pending_load()
+
+
+func _dispatch_pending_load() -> void:
+	var load_path := GameState.pending_load_path
+	if load_path.is_empty():
+		return
+	GameState.pending_load_path = ""
+	var err := SimBridge.send_input({
+		"action": InputMapper.Action.LOAD_GAME,
+		"timestamp_msec": Time.get_ticks_msec(),
+		"action_data": {"path": load_path},
+	})
+	if err != OK:
+		push_error("main.gd: failed to send LOAD_GAME after connection — %s" % error_string(err))
+		if loading_screen:
+			loading_screen.hide_loading(false)
+
+
 # #501: Detect large position jump indicating a teleport (not normal movement).
 const TELEPORT_DISTANCE_THRESHOLD: float = 5.0

@@ -11,7 +11,7 @@ class_name Protocol

 ## Protocol version — must match server PROTOCOL_VERSION in bridge/types.rs.
 ## Reject snapshots where version != this value.
-const PROTOCOL_VERSION: int = 15
+const PROTOCOL_VERSION: int = 18


 # -- Decode: bytes from server → GDScript types --------------------------------
@@ -244,6 +244,35 @@ static func decode_snapshot(bytes: PackedByteArray) -> Variant:
 			"error": raw_save.get("error"),
 		}

+	# v18: debug_response (#580) — debug console command result.
+	# {command: String, text: String, success: bool}
+	var debug_response: Variant = null
+	var raw_debug: Variant = raw.get("debug_response")
+	if raw_debug is Dictionary:
+		debug_response = {
+			"command": str(raw_debug.get("command", "")),
+			"text": str(raw_debug.get("text", "")),
+			"success": bool(raw_debug.get("success", false)),
+		}
+
+	# TODO(server): Send stationary_ticks in ObserverSnapshot (D-071, D-020).
+	# Server already tracks this in ListeningFocus component (server/src/simulation/listening.rs).
+	# When server populates this field, client-side accumulation fallback in game_state.gd
+	# can be removed — apply_snapshot() should contain only direct field assignments.
+	var stationary_ticks: Variant = null
+	var raw_st: Variant = raw.get("stationary_ticks")
+	if raw_st != null:
+		stationary_ticks = int(raw_st)
+
+	# TODO(server): Send top-level zone_id string in ObserverSnapshot (D-073, D-020).
+	# Server sends zone_id per VisibleTile but not as a top-level snapshot field.
+	# When server populates this, client-side tile iteration fallback in game_state.gd
+	# can be removed — apply_snapshot() should contain only direct field assignments.
+	var zone_id: Variant = null
+	var raw_zid: Variant = raw.get("zone_id")
+	if raw_zid is String:
+		zone_id = raw_zid
+
 	# v14: player_knowledge (#264, D-041) — partial KG dump for journal panel.
 	# {entities: [{entity_id, name, confidence, source, state, relationship, last_observed_tick}],
 	#  facts: [{fact_id, confidence, source, state, acquired_tick}]}
@@ -302,6 +331,9 @@ static func decode_snapshot(bytes: PackedByteArray) -> Variant:
 		"examine_result": examine_result,
 		"player_knowledge": player_knowledge,
 		"save_result": save_result,
+		"debug_response": debug_response,
+		"stationary_ticks": stationary_ticks,
+		"zone_id": zone_id,
 	}


@@ -407,6 +439,18 @@ static func _decode_enum_variant(raw) -> Dictionary:

 # -- Encode: GDScript types → bytes to server ----------------------------------

+## Encode a StartupMessage to MessagePack bytes (#175).
+## Sent by the client immediately after handshake validation.
+## Server reads this to initialize SimRng with the world seed (D-010, D-029).
+static func encode_startup_message(world_seed: int) -> PackedByteArray:
+	var msg := {"world_seed": world_seed}
+	var result = Messagepack.encode(msg)
+	if result.status != null:
+		push_error("Protocol: startup message encode failed: %s" % result.status)
+		return PackedByteArray()
+	return result.value
+
+
 ## Encode a PlayerInput to MessagePack bytes.
 ## action_name: one of "MoveNorth", "MoveSouth", "MoveEast", "MoveWest",
 ##              "Interact", "UsePerceptionMode", "Pause", "Unpause"
@@ -0,0 +1 @@
+uid://2p33ypi2y2kv
@@ -4,6 +4,9 @@ extends Node2D
 ## Reads textures from FogState autoload, positions rect to cover viewport.
 ## Architecture: docs/architecture/fog-shader-spec.md

+signal fog_noise_ready
+var _noise_ready: bool = false
+
 var _fog_rect: ColorRect
 var _shader_mat: ShaderMaterial

@@ -36,10 +39,11 @@ func _ready() -> void:
 	noise_tex.width = 256
 	noise_tex.height = 256
 	noise_tex.seamless = true
+	noise_tex.changed.connect(func(): _noise_ready = true; fog_noise_ready.emit())
 	_shader_mat.set_shader_parameter("noise_tex", noise_tex)
 	_shader_mat.set_shader_parameter("tile_size", TILE_SIZE)

-	print("FogShader: Initialized (D-059 5-layer)")
+	print("FogShader: Initialized (D-059 3-state)")


 func update_fog() -> void:
@@ -68,4 +72,6 @@ func update_fog() -> void:
 	_shader_mat.set_shader_parameter("rect_sz", _fog_rect.size)
 	_shader_mat.set_shader_parameter("map_offset", Vector2(FogState.map_bounds.position))
 	_shader_mat.set_shader_parameter("map_size", Vector2(FogState.map_bounds.size))
-	_shader_mat.set_shader_parameter("time", Time.get_ticks_msec() / 1000.0)
+	var t: float = FogState.override_time if FogState.override_time >= 0.0 else Time.get_ticks_msec() / 1000.0
+	_shader_mat.set_shader_parameter("time", t)
+	_shader_mat.set_shader_parameter("debug_exploration", FogState.debug_exploration)
@@ -64,11 +64,17 @@ func _setup_tileset() -> void:
 	tile_set = ts

 # Update tiles from snapshot data
-# tiles: Array of {x: int, y: int, z: int, type: String}
+# tiles: Array of {x: int, y: int, z: int, type: String, visibility: String (optional)}
 # z here is the server-side FLOOR LEVEL (0 = ground, 1 = first floor, etc.),
 # NOT the Godot scene z_index (which controls render order within a floor).
 # This node only renders floor-level 0. Higher floor levels will be handled
 # by separate TileMapLayer nodes when multi-floor rendering is implemented.
+#
+# BoundaryWall tiles (#585): visibility="BoundaryWall" tiles (wall tiles 1 step beyond
+# LOS boundary) are rendered normally here — they have a "type" field from protocol.gd
+# so they composite correctly under the fog shader. The fog/exploration exemption is
+# handled in fog_state.gd (VIS_FORWARD without EXP_VISIBLE) and game_state.gd
+# (boundary_positions not visible_positions). No special handling needed in this method.
 func update_tiles(tiles: Array) -> void:
 	if not _initialized:
 		return
@@ -0,0 +1,45 @@
+class_name SnapshotEventRouter
+## Routes snapshot fields to registered handlers (D-020, #559).
+##
+## Decouples main.gd from knowing which child node handles which snapshot field.
+## Handlers are registered in main.gd._ready(); dispatch() is called each snapshot tick.
+##
+## Two handler types:
+##   - Keyed: called only when the snapshot contains a specific field.
+##   - Always: called every dispatch (every snapshot tick), regardless of fields present.
+##
+## All handlers are zero-argument callables — they read from GameState directly.
+## This preserves GameState as the single source of truth post-apply_snapshot().
+
+## Keyed handlers: field_name → Array[Callable]
+## Array per field allows multiple handlers on the same key (e.g., two consumers of same data).
+var _keyed: Dictionary = {}  # String → Array[Callable]
+
+## Always handlers: called every dispatch regardless of snapshot content.
+var _always: Array[Callable] = []
+
+
+## Register a handler for a specific snapshot field key.
+## Handler is called (with no arguments) when snapshot.has(field) is true.
+## Multiple handlers per field are supported — they run in registration order.
+func register(field: String, handler: Callable) -> void:
+	if not _keyed.has(field):
+		_keyed[field] = []
+	_keyed[field].append(handler)
+
+
+## Register a handler that runs every dispatch tick (not keyed to a field).
+## Use for child nodes that update from GameState on every snapshot, e.g. update_from_state().
+func register_always(handler: Callable) -> void:
+	_always.append(handler)
+
+
+## Dispatch a snapshot: call always handlers first, then keyed handlers for present fields.
+## Handlers read from GameState.* directly — apply_snapshot() must be called before dispatch().
+func dispatch(snapshot: Dictionary) -> void:
+	for handler in _always:
+		handler.call()
+	for field in _keyed:
+		if snapshot.has(field):
+			for handler in _keyed[field]:
+				handler.call()
@@ -0,0 +1 @@
+uid://drppri4b46v80
@@ -0,0 +1,163 @@
+class_name YamlParser
+## Shared YAML parser — common subset used by ui_strings.gd and checklist_evaluator.gd.
+##
+## Handles: nested sections (maps), arrays of dict items (- key: val), typed values.
+## Returns a hierarchical Dictionary. Use flatten() to convert to dotted-key format
+## (as UIStrings._parse_yaml() requires).
+##
+## Limitations: single-line values only; no YAML anchors/aliases; no flow syntax.
+## String values: quotes stripped. Booleans, ints, and floats are type-inferred.
+##
+## Spec ref: #560 (Sprint 20 — unify duplicate YAML parsers), D-030 (testability).
+
+
+## Parse YAML text into a hierarchical Dictionary.
+## Nested sections become nested dicts. Array items (- key: val) become Arrays.
+## Values are type-inferred: bool, int, float, or String.
+static func parse(text: String) -> Dictionary:
+	var root: Dictionary = {}
+	# Stack: [{indent: int, key: String}] — path of open section headers
+	var stack: Array = []
+	# Array state
+	var current_array: Variant = null   # Array being built, or null
+	var current_item: Variant = null    # Dict being built for current array item, or null
+	var array_parent_indent: int = -1   # indent of the "key:" line that owns the array
+
+	for raw_line in text.split("\n"):
+		var stripped := raw_line.strip_edges(false, true)
+		if stripped.is_empty() or stripped.strip_edges().begins_with("#"):
+			continue
+		var indent: int = raw_line.length() - raw_line.lstrip(" ").length()
+		var content: String = stripped.strip_edges()
+
+		# --- Array item (- key: value) ---
+		if content.begins_with("- "):
+			# First item: convert parent section's {} placeholder to []
+			if current_array == null and stack.size() > 0:
+				var parent := _node_at(root, stack, true)
+				var arr_key: String = stack.back()["key"]
+				var new_arr: Array = []
+				parent[arr_key] = new_arr
+				current_array = new_arr
+				array_parent_indent = stack.back()["indent"]
+			# Flush previous item and start a new one
+			if current_item != null:
+				current_array.append(current_item)
+			current_item = {}
+			var rest: String = content.substr(2).strip_edges()
+			var colon: int = rest.find(":")
+			if colon >= 0:
+				var k: String = rest.substr(0, colon).strip_edges()
+				var v: String = rest.substr(colon + 1).strip_edges()
+				current_item[k] = _parse_value(v)
+			continue
+
+		# --- Continuation line within current array item ---
+		if current_array != null and indent > array_parent_indent:
+			var colon: int = content.find(":")
+			if colon >= 0 and current_item != null:
+				var k: String = content.substr(0, colon).strip_edges()
+				var v: String = content.substr(colon + 1).strip_edges()
+				current_item[k] = _parse_value(v)
+			continue
+
+		# --- End of array (indent has returned to array level or above) ---
+		if current_array != null:
+			if current_item != null:
+				current_array.append(current_item)
+				current_item = null
+			current_array = null
+			array_parent_indent = -1
+			if stack.size() > 0:
+				stack.pop_back()  # pop the array-owning key
+
+		# --- Regular key: value or section header ---
+		var colon: int = content.find(":")
+		if colon < 0:
+			continue
+		var key: String = content.substr(0, colon).strip_edges()
+		var val_str: String = content.substr(colon + 1).strip_edges()
+
+		# Pop sections at the same or deeper indent (we're back at a shallower level)
+		while stack.size() > 0 and stack.back()["indent"] >= indent:
+			stack.pop_back()
+
+		var node: Dictionary = _node_at(root, stack, false)
+
+		if val_str.is_empty() or val_str.begins_with("#"):
+			# Section header — create nested dict (may become Array if - items follow)
+			node[key] = {}
+			stack.push_back({"indent": indent, "key": key})
+		else:
+			node[key] = _parse_value(val_str)
+
+	# Flush the last array item if the file ended inside an array
+	if current_array != null and current_item != null:
+		current_array.append(current_item)
+
+	return root
+
+
+## Convenience: parse text and flatten to dotted-key format in one call.
+## Used by UIStrings._parse_yaml() — equivalent to flatten(parse(text)).
+static func parse_flat(text: String) -> Dictionary:
+	return flatten(parse(text))
+
+
+## Flatten a hierarchical dict to dotted-key format (for UIStrings compatibility).
+## {"a": {"b": "v"}} → {"a.b": "v"}
+## Arrays are skipped — dotted-key format does not represent them.
+## All values are converted to String (UIStrings stores display text, not typed data).
+static func flatten(d: Dictionary, prefix: String = "") -> Dictionary:
+	var result: Dictionary = {}
+	for k in d:
+		var full_key: String = (prefix + "." if not prefix.is_empty() else "") + str(k)
+		var v = d[k]
+		if v is Dictionary:
+			result.merge(flatten(v, full_key))
+		elif not v is Array:
+			result[full_key] = str(v)
+	return result
+
+
+## Parse a single YAML value string into a typed GDScript value.
+## Strips inline comments, handles quoted strings, infers bool/int/float/String.
+static func _parse_value(val: String) -> Variant:
+	if val.is_empty():
+		return ""
+	# Strip inline comment outside quotes
+	if not val.begins_with("\""):
+		var comment_pos: int = val.find(" #")
+		if comment_pos >= 0:
+			val = val.substr(0, comment_pos).strip_edges()
+	# Quoted string — extract content between quotes
+	if val.begins_with("\""):
+		var end_quote: int = val.find("\"", 1)
+		if end_quote > 0:
+			return val.substr(1, end_quote - 1)
+		return val.substr(1)
+	# Boolean
+	if val == "true": return true
+	if val == "false": return false
+	# Float (must have decimal point)
+	if val.contains(".") and val.is_valid_float():
+		return val.to_float()
+	# Integer
+	if val.is_valid_int():
+		return val.to_int()
+	# Plain string
+	return val
+
+
+## Navigate root following the stack key path.
+## parent=true: navigate one level less (returns the parent node, not the leaf).
+static func _node_at(root: Dictionary, stack: Array, parent: bool) -> Dictionary:
+	var node: Dictionary = root
+	var depth: int = stack.size() - (1 if parent else 0)
+	for i in range(depth):
+		var k: String = stack[i]["key"]
+		if node.has(k) and node[k] is Dictionary:
+			node = node[k]
+		else:
+			break
+	return node
@@ -0,0 +1 @@
+uid://cix55xks85vl8
@@ -1,15 +1,17 @@
 shader_type canvas_item;

-// D-059: 5-layer fog shader. Composites over world content (layers 0-4).
-// Layer 1: Clear (vision cone) — transparent, soft gradient edge
-// Layer 2: Light fog (peripheral) — desaturated + dim + animated noise, 8-10s cycle
-// Layer 3: Deep fog (explored) — near-monochrome + zone tint + breathing, 15-20s cycle
-// Layer 4: Unexplored + maps — wireframe (Sprint 6: deferred, treated as Layer 5)
-// Layer 5: Unexplored, no maps — solid near-black #12141a
+// D-059/D-015: 3-state fog shader (simplified from 5-layer by #569).
+// State 1: Clear (forward cone) — transparent, soft Gaussian gradient edge (3-4 tile radius)
+// State 2: Explored (out of cone) — light fog overlay, alpha 0.25-0.35, zone temperature tint,
+//          8-10s Perlin breathe. Art and information preserved, just "not fresh" (D-015).
+// State 3: Unexplored — solid near-black #12141a
+// D-033: Entity colors are NOT affected — they render above the fog overlay (z-layer 5).
+// D-046: Zone temperature tint from zone_tint_tex — warm=bar, cool=hub, neutral=corridor.
+// D-077: zone_tint_tex populated per-tile from server zone_id via fog_state.gd.

 uniform sampler2D visibility_tex : filter_linear, repeat_disable;
 uniform sampler2D exploration_tex : filter_linear, repeat_disable;
-uniform sampler2D zone_tint_tex : filter_nearest, repeat_disable;
+uniform sampler2D zone_tint_tex : filter_nearest, repeat_disable;  // nearest: zones have hard boundaries (D-073)
 uniform sampler2D noise_tex : filter_linear, repeat_enable;
 uniform vec2 rect_pos;       // World-space position of the ColorRect (pixels)
 uniform vec2 rect_sz;        // World-space size of the ColorRect (pixels)
@@ -17,57 +19,99 @@ uniform vec2 map_offset;     // map_bounds.position (tiles)
 uniform vec2 map_size;       // map_bounds.size (tiles)
 uniform float tile_size;     // Pixels per sim tile
 uniform float time;          // Seconds since start
+uniform bool debug_exploration = false; // When true, render raw exploration texture

-// D-059 fog layer colors
 const vec3 UNEXPLORED_COLOR = vec3(0.071, 0.078, 0.102);  // #12141a
-const vec3 DARK_OVERLAY = vec3(0.02, 0.02, 0.05);

-// D-059 thresholds (after bilinear filtering)
-// Forward tiles = 1.0, Peripheral = 0.706 (180/255), not-visible = 0.0
-const float CLEAR_THRESHOLD = 0.85;   // Above this: fully clear
-const float PERIPHERAL_LOW = 0.55;    // Below this: transition to deep/unexplored
+// Soft gradient via 7x7 Gaussian blur on visibility (sigma 2.0).
+// Spreads the cone boundary into a 3-4 tile radius gradient — no hard tile-stepped edges.
+float sample_visibility(vec2 uv) {
+    vec2 t = 2.0 / map_size;
+    float sum = 0.0;
+    float weight = 0.0;
+    for (float dy = -3.0; dy <= 3.0; dy += 1.0) {
+        for (float dx = -3.0; dx <= 3.0; dx += 1.0) {
+            float w = exp(-(dx * dx + dy * dy) / 8.0);
+            vec2 sample_uv = clamp(uv + vec2(dx, dy) * t, vec2(0.0), vec2(1.0));
+            sum += texture(visibility_tex, sample_uv).r * w;
+            weight += w;
+        }
+    }
+    return sum / weight;
+}
+
+// Soft gradient on exploration boundary (5x5, sigma 1.5).
+// Prevents hard tile-stepped staircase at explored/unexplored edge.
+float sample_exploration(vec2 uv) {
+    vec2 t = 1.0 / map_size;
+    float sum = 0.0;
+    float weight = 0.0;
+    for (float dy = -2.0; dy <= 2.0; dy += 1.0) {
+        for (float dx = -2.0; dx <= 2.0; dx += 1.0) {
+            float w = exp(-(dx * dx + dy * dy) / 4.5);
+            vec2 sample_uv = clamp(uv + vec2(dx, dy) * t, vec2(0.0), vec2(1.0));
+            sum += texture(exploration_tex, sample_uv).r * w;
+            weight += w;
+        }
+    }
+    return sum / weight;
+}

 void fragment() {
-    // Map UV (0-1 across ColorRect) to world pixels, then to tile coordinates
    vec2 world_px = rect_pos + UV * rect_sz;
    vec2 tile = world_px / tile_size;
-
-    // Map tile coordinate to texture UV
    vec2 tex_uv = (tile - map_offset) / map_size;

-    // Outside known map → unexplored
+    // Outside known map -> unexplored
+    // Note: no early return — fragment() in OpenGL3 compat doesn't support return.
    if (tex_uv.x < 0.0 || tex_uv.x > 1.0 || tex_uv.y < 0.0 || tex_uv.y > 1.0) {
        COLOR = vec4(UNEXPLORED_COLOR, 1.0);
-    } else {
-        float vis = texture(visibility_tex, tex_uv).r;
-        float explored = texture(exploration_tex, tex_uv).r;

-        if (vis > PERIPHERAL_LOW) {
-            // In or near vision cone
-            if (vis > CLEAR_THRESHOLD) {
-                // Layer 1: Clear — soft edge gradient
-                float edge = smoothstep(CLEAR_THRESHOLD, 1.0, vis);
-                COLOR = vec4(0.0, 0.0, 0.0, 1.0 - edge);
-            } else {
-                // Layer 2: Light fog (peripheral + forward edge)
-                // D-059: animated Perlin noise, 8-10s cycle
-                float noise_val = texture(noise_tex, tile * 0.03 + vec2(time * 0.11, time * 0.07)).r;
-                float coverage = smoothstep(PERIPHERAL_LOW, CLEAR_THRESHOLD, vis);
-                // Blend from heavy fog (alpha ~0.55) to lighter fog near clear edge
-                float alpha = mix(0.55, 0.25, coverage) + noise_val * 0.1;
-                COLOR = vec4(DARK_OVERLAY, alpha);
-            }
-        } else if (explored > 0.3) {
-            // Layer 3: Deep fog (previously explored, no longer in LOS)
-            // D-059: near-monochrome, ~10% zone temperature tint, 15-20s breathing cycle
-            vec3 zone_tint = texture(zone_tint_tex, tex_uv).rgb;
-            float noise_val = texture(noise_tex, tile * 0.015 + vec2(time * 0.045, time * 0.03)).r;
-            vec3 tint_color = mix(vec3(0.04), zone_tint, 0.1);
-            float alpha = mix(0.78, 0.90, noise_val);  // Fog breathes
-            COLOR = vec4(tint_color, alpha);
+    // Debug mode: render raw exploration texture (bypass fog rendering).
+    // Green = EXP_VISIBLE (255), blue = EXP_EXPLORED (128), red = EXP_UNEXPLORED (0).
+    } else if (debug_exploration) {
+        float explored_dbg = texture(exploration_tex, tex_uv).r;
+        if (explored_dbg > 0.9) {
+            COLOR = vec4(0.0, explored_dbg, 0.0, 0.8);       // Green: currently visible
+        } else if (explored_dbg > 0.1) {
+            COLOR = vec4(0.0, 0.0, explored_dbg * 2.0, 0.8);  // Blue: explored
        } else {
-            // Layer 5: Unexplored, no maps — information zero
+            COLOR = vec4(0.5, 0.0, 0.0, 0.8);                 // Red: unexplored
+        }
+
+    } else {
+        float vis_raw = texture(visibility_tex, tex_uv).r;
+        float vis = sample_visibility(tex_uv);
+        float explored_raw = texture(exploration_tex, tex_uv).r;
+        float explored = sample_exploration(tex_uv);
+
+        // Prevent gradient bleed into never-explored tiles (use raw, unblurred value)
+        if (explored_raw < 0.01 && vis_raw < 0.01) {
+            vis = 0.0;
+        }
+
+        if (explored < 0.01 && vis < 0.01) {
+            // Unexplored: solid near-black — information zero
            COLOR = vec4(UNEXPLORED_COLOR, 1.0);
+        } else {
+            // Fog noise — 8-10s breathe cycle, ±0.05 symmetric around baseline
+            float noise_val = texture(noise_tex, tile * 0.03 + vec2(time * 0.11, time * 0.07)).r;
+            float fog_alpha = 0.30 + (noise_val * 2.0 - 1.0) * 0.05;  // 0.25-0.35
+
+            // Zone temperature tint (D-046/D-077): subtle warm/cool/neutral per zone
+            vec3 zone_tint = texture(zone_tint_tex, tex_uv).rgb;
+
+            // Clarity ramp: transparent inside cone, light fog at edges and beyond
+            float clarity = smoothstep(0.0, 0.85, vis);
+            float alpha = mix(fog_alpha, 0.0, clarity);
+            vec3 color = mix(zone_tint, vec3(0.0), clarity);
+
+            // Soft edge between explored and unexplored (blurred to avoid staircase)
+            float exp_fade = smoothstep(0.0, 0.3, explored);
+            alpha = mix(1.0, alpha, exp_fade);
+            color = mix(UNEXPLORED_COLOR, color, exp_fade);
+
+            COLOR = vec4(color, alpha);
        }
    }
 }
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@@ -0,0 +1 @@
+uid://ypniv2crdp8c
@@ -250,7 +250,7 @@ func test_gauntlet_ui_stays_hidden_after_multiple_snapshots() -> void:

 # -- GauntletHUD Feature Tests (#496) ----------------------------------------
 # Timer lifecycle, personal bests, room change, visibility.
-# Spec: sprint-9/client.md #496. Ticket: db/connectors/ticket show 496.
+# Spec: sprint-9/client.md #496. Ticket: tooling/db/ticket show 496.

 func test_format_time_zero() -> void:
 	# Static utility: 0 seconds → "00:00"
@@ -476,7 +476,7 @@ func test_gauntlet_snapshot_roundtrip_via_apply() -> void:

 # -- BugReportDialog Feature Tests (#495) ------------------------------------
 # Pause/unpause lifecycle, wire guard, text render, state machine.
-# Spec: sprint-9/client.md #495. Ticket: db/connectors/ticket show 495.
+# Spec: sprint-9/client.md #495. Ticket: tooling/db/ticket show 495.

 func test_bug_report_sends_pause_on_open() -> void:
 	# start_capture() must send Pause to the server.
@@ -55,7 +55,9 @@ func test_fog_visibility_forward_tile() -> void:


 func test_fog_visibility_peripheral_tile() -> void:
-	# P1 #4: Peripheral-sector tile writes VIS_PERIPHERAL (180) to _vis_bytes.
+	# P1 #4: Server simplified to forward-only (Sprint 22, #569). All visible
+	# tiles are now written as VIS_FORWARD regardless of visibility_sectors value.
+	# Peripheral sector is no longer a distinct visual state.
 	var fog = _get_fog_state()
 	if fog == null:
 		return
@@ -65,8 +67,8 @@ func test_fog_visibility_peripheral_tile() -> void:
 	GameState.visibility_sectors = {Vector2i(10, 8): "Peripheral"}
 	fog.update_from_state()
 	assert_that(fog._vis_bytes[8 * 64 + 10]).override_failure_message(
-		"Peripheral tile at (10,8) should be VIS_PERIPHERAL=%d" % FogState.VIS_PERIPHERAL
-	).is_equal(FogState.VIS_PERIPHERAL)
+		"All visible tiles write VIS_FORWARD after forward-only simplification"
+	).is_equal(FogState.VIS_FORWARD)
 	GameState.visible_positions.clear()
 	GameState.visibility_sectors.clear()

@@ -167,8 +167,8 @@ func test_entity_terrain_uses_object_color() -> void:
 	var entity := [{"entity_id": 70, "x": 2.0, "y": 2.0, "z": 0,
 		"kind": {"variant": "Terrain", "data": null}, "visibility": "Forward"}]
 	renderer.update_entities(entity)
-	var node = renderer.entity_nodes[70] as ColorRect
-	assert_that(node.color).override_failure_message(
+	var node = renderer.entity_nodes[70] as Sprite2D
+	assert_that(node.self_modulate).override_failure_message(
 		"Terrain kind should use ENTITY_COLOR_OBJECT"
 	).is_equal(Constants.ENTITY_COLOR_OBJECT)
 	renderer.queue_free()
@@ -181,8 +181,8 @@ func test_entity_player_color_regardless_of_sector() -> void:
 	var entity := [{"entity_id": 80, "x": 5.0, "y": 5.0, "z": 0,
 		"kind": {"variant": "Player", "data": null}, "visibility": "Peripheral"}]
 	renderer.update_entities(entity)
-	var node = renderer.entity_nodes[80] as ColorRect
-	assert_that(node.color).override_failure_message(
+	var node = renderer.entity_nodes[80] as Sprite2D
+	assert_that(node.self_modulate).override_failure_message(
 		"Player color must be constant regardless of visibility sector"
 	).is_equal(Constants.ENTITY_COLOR_PLAYER)
 	# Alpha should still be dimmed for Peripheral
@@ -10,7 +10,7 @@ extends GdUnitTestSuite
 # ---------------------------------------------------------------------------

 const DEBUG_SCENE_PATH: String = "res://scenes/main.tscn"
-const DEBUG_SCRIPT_PATH: String = "res://scripts/ui/debug_overlay.gd"
+const DEBUG_SCRIPT_PATH: String = "res://ui/debug_overlay.gd"


 func _make_overlay() -> Control:
@@ -51,7 +51,7 @@ func after_test() -> void:

 func test_debug_overlay_script_exists() -> void:
 	assert_bool(ResourceLoader.exists(DEBUG_SCRIPT_PATH)).override_failure_message(
-		"debug_overlay.gd must exist at res://scripts/ui/debug_overlay.gd (#348)"
+		"debug_overlay.gd must exist at res://ui/debug_overlay.gd (#348)"
 	).is_true()


@@ -0,0 +1 @@
+uid://bdsgybncfyu52
@@ -0,0 +1,153 @@
+## Sprint 23 #573: dialogue speaker color binding tests.
+##
+## Verifies entity-ID-bound speaker color assignment in dialogue_box.gd:
+## round-robin palette allocation, same-entity reuse, conversation-end reset,
+## and fallback behavior when no entity ID is provided.
+##
+## D-030: fixture-based, server-free, no subprocess required.
+class_name TestDialogueSpeakerColors
+extends GdUnitTestSuite
+
+
+func _make_dialogue_box() -> Control:
+	if not ResourceLoader.exists("res://ui/dialogue_box.tscn"):
+		push_warning("TestDialogueSpeakerColors: dialogue_box.tscn not found — scene tests skipped")
+		return null
+	var node: Control = load("res://ui/dialogue_box.tscn").instantiate()
+	add_child(node)
+	return node
+
+
+func before_test() -> void:
+	GameState.dialogue_active = false
+
+
+func after_test() -> void:
+	GameState.dialogue_active = false
+
+
+# -- _assign_npc_color: round-robin assignment ---------------------------------
+
+func test_assign_npc_color_returns_palette_color() -> void:
+	## First call for an entity ID should return a color from the NPC palette.
+	var box := _make_dialogue_box()
+	if box == null: return
+	auto_free(box)
+	var color: Color = box._assign_npc_color(100)
+	assert_that(color).override_failure_message(
+		"_assign_npc_color must return a non-default color for a valid entity ID (#573)"
+	).is_not_equal(box._speech_color)
+
+
+func test_assign_npc_color_same_entity_returns_same_color() -> void:
+	## Repeated calls for the same entity ID must return the same color.
+	var box := _make_dialogue_box()
+	if box == null: return
+	auto_free(box)
+	var color1: Color = box._assign_npc_color(200)
+	var color2: Color = box._assign_npc_color(200)
+	assert_that(color1).override_failure_message(
+		"_assign_npc_color must return the same color for the same entity ID (#573)"
+	).is_equal(color2)
+
+
+func test_assign_npc_color_different_entities_get_different_colors() -> void:
+	## Different entity IDs should get different colors (within palette size).
+	var box := _make_dialogue_box()
+	if box == null: return
+	auto_free(box)
+	var color1: Color = box._assign_npc_color(300)
+	var color2: Color = box._assign_npc_color(301)
+	assert_that(color1).override_failure_message(
+		"Different entity IDs must get different palette colors (#573)"
+	).is_not_equal(color2)
+
+
+func test_assign_npc_color_negative_id_returns_speech_color() -> void:
+	## Negative entity ID (no entity) should fall back to _speech_color.
+	var box := _make_dialogue_box()
+	if box == null: return
+	auto_free(box)
+	var color: Color = box._assign_npc_color(-1)
+	assert_that(color).override_failure_message(
+		"_assign_npc_color(-1) must return _speech_color fallback (#573)"
+	).is_equal(box._speech_color)
+
+
+# -- Color registry cleared on conversation end --------------------------------
+
+func test_color_registry_cleared_on_conversation_end() -> void:
+	## After hide_dialogue(), the color registry must be empty so next
+	## conversation starts fresh (avoids palette exhaustion).
+	var box := _make_dialogue_box()
+	if box == null: return
+	auto_free(box)
+	box.show_dialogue("NPC", "Hello.", [], 400)
+	assert_bool(box._npc_entity_colors.has(400)).override_failure_message(
+		"Entity color should be registered during conversation (#573)"
+	).is_true()
+	box.hide_dialogue()
+	assert_bool(box._npc_entity_colors.is_empty()).override_failure_message(
+		"_npc_entity_colors must be cleared after conversation ends (#573)"
+	).is_true()
+	assert_int(box._next_npc_color).override_failure_message(
+		"_next_npc_color must reset to 0 after conversation ends (#573)"
+	).is_equal(0)
+
+
+func test_color_registry_reset_gives_fresh_assignment() -> void:
+	## After conversation end + new conversation, same entity ID gets a color
+	## (may differ from previous conversation — that's fine, per-conversation).
+	var box := _make_dialogue_box()
+	if box == null: return
+	auto_free(box)
+	box.show_dialogue("NPC", "Hello.", [], 500)
+	var color1: Color = box._npc_entity_colors.get(500, Color.BLACK)
+	box.hide_dialogue()
+	box.show_dialogue("NPC", "Hi again.", [], 500)
+	var color2: Color = box._npc_entity_colors.get(500, Color.BLACK)
+	# Both should be valid palette colors (not BLACK fallback)
+	assert_that(color1).override_failure_message(
+		"First conversation color must be a palette color (#573)"
+	).is_not_equal(Color.BLACK)
+	assert_that(color2).override_failure_message(
+		"Second conversation color must be a palette color (#573)"
+	).is_not_equal(Color.BLACK)
+
+
+# -- show_dialogue entity ID threading ----------------------------------------
+
+func test_show_dialogue_registers_npc_color() -> void:
+	## show_dialogue with a valid entity ID must register the color.
+	var box := _make_dialogue_box()
+	if box == null: return
+	auto_free(box)
+	box.show_dialogue("Kael", "Welcome.", [], 600)
+	assert_bool(box._npc_entity_colors.has(600)).override_failure_message(
+		"show_dialogue must register entity color when npc_entity_id provided (#573)"
+	).is_true()
+
+
+func test_show_dialogue_without_entity_id_no_registration() -> void:
+	## show_dialogue without entity ID should not register any color.
+	var box := _make_dialogue_box()
+	if box == null: return
+	auto_free(box)
+	box.show_dialogue("NPC", "Hello.", [])
+	assert_bool(box._npc_entity_colors.is_empty()).override_failure_message(
+		"show_dialogue without entity ID must not register colors (#573)"
+	).is_true()
+
+
+# -- append_dialogue_response defensive guard ----------------------------------
+
+func test_append_dialogue_response_registers_color_if_missing() -> void:
+	## append_dialogue_response with a valid entity_id must register the color
+	## even if show_dialogue was not called first (defensive guard).
+	var box := _make_dialogue_box()
+	if box == null: return
+	auto_free(box)
+	box.append_dialogue_response("Voss", "I see.", 700)
+	assert_bool(box._npc_entity_colors.has(700)).override_failure_message(
+		"append_dialogue_response must register color for unknown entity ID (#573)"
+	).is_true()
@@ -596,3 +596,77 @@ func test_is_dialogue_active_true_after_show_dialogue() -> void:
 	box.show_dialogue("NPC", "Speech.", _make_options(["Reply"]))
 	assert_bool(box.is_dialogue_active()).is_true()
 	box.queue_free()
+
+
+# ---------------------------------------------------------------------------
+# D-020 (#558): Signal decoupling — dialogue_box emits signals instead of
+# directly mutating GameState or calling AudioManager.
+# ---------------------------------------------------------------------------
+
+func test_dialogue_state_changed_emits_true_on_show() -> void:
+	## D-020: show_dialogue() must emit dialogue_state_changed(true).
+	var box := _make_dialogue_box()
+	if box == null: return
+	var received: Array = []
+	box.dialogue_state_changed.connect(func(active): received.append(active))
+	box.show_dialogue("NPC", "Speech.", _make_options(["Reply"]))
+	assert_bool(received.has(true)).override_failure_message(
+		"dialogue_state_changed(true) must be emitted on show_dialogue"
+	).is_true()
+	box.queue_free()
+
+
+func test_dialogue_state_changed_emits_false_on_hide() -> void:
+	## D-020: hide_dialogue() must emit dialogue_state_changed(false).
+	var box := _make_dialogue_box()
+	if box == null: return
+	var received: Array = []
+	box.dialogue_state_changed.connect(func(active): received.append(active))
+	box.show_dialogue("NPC", "Speech.", _make_options(["Reply"]))
+	box.hide_dialogue()
+	assert_bool(received.has(false)).override_failure_message(
+		"dialogue_state_changed(false) must be emitted on hide_dialogue"
+	).is_true()
+	box.queue_free()
+
+
+func test_audio_dip_requested_emits_dialogue_on_show() -> void:
+	## D-020: show_dialogue() must emit audio_dip_requested("dialogue").
+	var box := _make_dialogue_box()
+	if box == null: return
+	var received: Array = []
+	box.audio_dip_requested.connect(func(profile): received.append(profile))
+	box.show_dialogue("NPC", "Speech.", _make_options(["Reply"]))
+	assert_bool(received.has("dialogue")).override_failure_message(
+		"audio_dip_requested('dialogue') must be emitted on show_dialogue"
+	).is_true()
+	box.queue_free()
+
+
+func test_audio_dip_cleared_emits_on_hide() -> void:
+	## D-020: hide_dialogue() must emit audio_dip_cleared.
+	var box := _make_dialogue_box()
+	if box == null: return
+	var cleared := [false]
+	box.audio_dip_cleared.connect(func(): cleared[0] = true)
+	box.show_dialogue("NPC", "Speech.", _make_options(["Reply"]))
+	box.hide_dialogue()
+	assert_bool(cleared[0]).override_failure_message(
+		"audio_dip_cleared must be emitted on hide_dialogue"
+	).is_true()
+	box.queue_free()
+
+
+func test_no_direct_game_state_mutation() -> void:
+	## D-020: dialogue_box must not directly mutate GameState.dialogue_active.
+	## After show_dialogue, GameState.dialogue_active should remain unchanged
+	## (only the coordinator updates it via signal handler).
+	var box := _make_dialogue_box()
+	if box == null: return
+	GameState.dialogue_active = false
+	box.show_dialogue("NPC", "Speech.", _make_options(["Reply"]))
+	assert_bool(GameState.dialogue_active).override_failure_message(
+		"GameState.dialogue_active must NOT be mutated directly by dialogue_box"
+	).is_false()
+	box.queue_free()
+	GameState.dialogue_active = false
@@ -0,0 +1 @@
+uid://b46mtkralmq14
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+## Sprint 20 #558: dialogue_box.gd decoupling tests.
+##
+## Verifies D-020 compliance: dialogue_box.gd emits signals instead of mutating
+## GameState or calling AudioManager directly. main.gd wires the signal handlers.
+##
+## D-030: fixture-based, server-free, no subprocess required.
+class_name TestDialogueSprint20
+extends GdUnitTestSuite
+
+
+func _make_dialogue_box() -> Control:
+	if not ResourceLoader.exists("res://ui/dialogue_box.tscn"):
+		push_warning("TestDialogueSprint20: dialogue_box.tscn not found — scene tests skipped")
+		return null
+	var node: Control = load("res://ui/dialogue_box.tscn").instantiate()
+	add_child(node)
+	return node
+
+
+func before_test() -> void:
+	GameState.dialogue_active = false
+
+
+func after_test() -> void:
+	GameState.dialogue_active = false
+
+
+# -- dialogue_state_changed signal -------------------------------------------
+
+func test_show_dialogue_emits_dialogue_state_changed_true() -> void:
+	## show_dialogue() must emit dialogue_state_changed(true) not mutate GameState directly.
+	var box := _make_dialogue_box()
+	if box == null: return
+	auto_free(box)
+	var received: Variant = null
+	box.dialogue_state_changed.connect(func(active: bool): received = active)
+	box.show_dialogue("NPC", "Hello.", [])
+	assert_that(received).override_failure_message(
+		"show_dialogue() must emit dialogue_state_changed(true) (#558)"
+	).is_equal(true)
+
+
+func test_show_dialogue_does_not_mutate_game_state_directly() -> void:
+	## Without a connected handler, GameState.dialogue_active must stay false.
+	## Proves dialogue_box.gd has zero direct GameState mutation (D-020 #558).
+	var box := _make_dialogue_box()
+	if box == null: return
+	auto_free(box)
+	GameState.dialogue_active = false
+	box.show_dialogue("NPC", "Hello.", [])
+	assert_bool(GameState.dialogue_active).override_failure_message(
+		"dialogue_box must not mutate GameState.dialogue_active directly (D-020 #558)"
+	).is_false()
+
+
+func test_hide_dialogue_emits_dialogue_state_changed_false() -> void:
+	## hide_dialogue() must emit dialogue_state_changed(false).
+	var box := _make_dialogue_box()
+	if box == null: return
+	auto_free(box)
+	box.show_dialogue("NPC", "Hello.", [])
+	var received: Variant = null
+	box.dialogue_state_changed.connect(func(active: bool): received = active)
+	box.hide_dialogue()
+	assert_that(received).override_failure_message(
+		"hide_dialogue() must emit dialogue_state_changed(false) (#558)"
+	).is_equal(false)
+
+
+# -- audio_dip_requested / audio_dip_cleared signals -------------------------
+
+func test_show_dialogue_emits_audio_dip_requested_dialogue() -> void:
+	## show_dialogue() must emit audio_dip_requested("dialogue") not call AudioManager.
+	var box := _make_dialogue_box()
+	if box == null: return
+	auto_free(box)
+	var received_profile: Variant = null
+	box.audio_dip_requested.connect(func(profile: String): received_profile = profile)
+	box.show_dialogue("NPC", "Hello.", [])
+	assert_that(received_profile).override_failure_message(
+		"show_dialogue() must emit audio_dip_requested('dialogue') (#558)"
+	).is_equal("dialogue")
+
+
+func test_show_dialogue_does_not_call_audio_manager_directly() -> void:
+	## Without a connected handler, AudioManager state must be unchanged by show_dialogue().
+	## Verifies no direct AudioManager call in dialogue_box.gd (D-020 #558).
+	var box := _make_dialogue_box()
+	if box == null: return
+	auto_free(box)
+	var dip_before := AudioManager.get_active_dip()
+	box.show_dialogue("NPC", "Hello.", [])
+	var dip_after := AudioManager.get_active_dip()
+	assert_str(dip_after).override_failure_message(
+		"dialogue_box must not call AudioManager.apply_dip() directly (D-020 #558)"
+	).is_equal(dip_before)
+
+
+func test_hide_dialogue_emits_audio_dip_cleared() -> void:
+	## Ending a conversation must emit audio_dip_cleared not call AudioManager directly.
+	var box := _make_dialogue_box()
+	if box == null: return
+	auto_free(box)
+	box.show_dialogue("NPC", "Hello.", [])
+	var cleared := false
+	box.audio_dip_cleared.connect(func(): cleared = true)
+	box.hide_dialogue()
+	assert_bool(cleared).override_failure_message(
+		"hide_dialogue() must emit audio_dip_cleared (#558)"
+	).is_true()
+
+
+func test_audio_dip_cleared_count_on_conversation_end() -> void:
+	## Verify audio_dip_cleared fires when conversation ends.
+	var box := _make_dialogue_box()
+	if box == null: return
+	auto_free(box)
+	var cleared_count := 0
+	box.audio_dip_cleared.connect(func(): cleared_count += 1)
+	box.show_dialogue("NPC", "Speak.", [])
+	box.hide_dialogue()
+	assert_int(cleared_count).override_failure_message(
+		"audio_dip_cleared must fire at least once when conversation ends (#558)"
+	).is_greater_equal(1)
+
+
+# -- coordinator wiring verification -----------------------------------------
+
+func test_signal_handler_wires_game_state() -> void:
+	## Simulate main.gd: connect dialogue_state_changed to update GameState.dialogue_active.
+	## Verifies the coordinator pattern works end-to-end (D-020 #558).
+	var box := _make_dialogue_box()
+	if box == null: return
+	auto_free(box)
+	box.dialogue_state_changed.connect(func(active: bool): GameState.dialogue_active = active)
+	box.show_dialogue("NPC", "Hello.", [])
+	assert_bool(GameState.dialogue_active).override_failure_message(
+		"With handler wired, GameState.dialogue_active must be true after show_dialogue (#558)"
+	).is_true()
+	box.hide_dialogue()
+	assert_bool(GameState.dialogue_active).override_failure_message(
+		"With handler wired, GameState.dialogue_active must be false after hide_dialogue (#558)"
+	).is_false()
@@ -0,0 +1 @@
+uid://bh8tiio43gveq
--- a/Show More
+++ b/Show More