feat(decisions): formalize D-053 through D-065 from Control & Interaction Workshop

13 new decisions covering movement stances, tile-based movement, cursor states,
entity interaction, fog rendering, dialogue UX, confrontation, and smuggler inventory.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

decisions/scope.md

@@ -132,6 +132,47 @@ What we're building: game concept, design pillars, prototype definition, map spe
 - **Raised by:** Ozzie (Round 1 identification, Round 2 budget), project lead (all 6 promoted, directive #8)
 - **Dissent:** None
 
+### D-051: "Settling is placement" — design principle
+- **Date:** 2026-02-12
+- **Decision:** Object density in a space correlates with how settled it is. The bar is full because Lera made it home. Empty corridors are unsettled. Investigation reads placement as intention — every placed tile is someone's decision. The tile-based world (D-043, 64x64 grid) is thematically load-bearing: stations are literally built from prefab modular construction, so the tile grid IS the construction grid.
+- **Corollary — "Investigation is archaeology of intention" (Gore):** Reading the tile world is reading decisions. A cargo crate in the wrong place. A personal item in a maintenance corridor. The mundane environment IS the evidence.
+- **Cross-reference:** Favorite colors ([D-052](perception.md#d-052-character-favorite-colors--object-layer-identification))
+- **Canonical reference:** `docs/workshops/art-direction-mood-board/workshop-outcomes.md` §1.3, §7
+- **Raised by:** Gore (both principles), unanimously endorsed.
+- **Dissent:** None
+
+### D-053: Movement as stance toggle system
+- **Date:** 2026-02-13
+- **Decision:** Movement uses a stance toggle ladder: Sprint / Walk / Careful / Crouch / (Prone future). Toggle-based, not hold-to-activate. Each archetype has a default stance via MovementProfile component (e.g., smuggler defaults to Walk, detective defaults to Walk). All characters have access to all stances. Prone: toggle out only in normal play (must explicitly stand up); future combat allows "hit the deck" quick-entry.
+- **Stance values:**
+  - Sprint: 1 tile/1 tick. Monologue at 40% rate (urgent only). Loud footsteps. Interaction buffer cleared ([D-055](architecture.md#d-055-sprint-explicitly-suppresses-interaction-buffer)).
+  - Walk: 1 tile/2 ticks. Monologue at 100% rate. Normal footsteps. Default stance.
+  - Careful: 1 tile/3 ticks. Monologue at 150% rate + "tell notice bonus." Quiet footsteps. Enhanced eavesdropping via ListeningFocus (stationary_ticks accumulation).
+  - Crouch: TBD speed. Very quiet footsteps. Uses Prone/Seated occupancy layer ([D-054](architecture.md#d-054-tile-based-movement-with-same-tile-occupancy)).
+  - Prone: Future. Minimal noise. Toggle-out only.
+- **Perception coupling:** Sprint suppresses interpretation (monologue), not data (overlays still render). Careful enhances observation. Composable via multiplicative formula: `movement_modifier * perception_load_modifier`. All stances: NO vision cone change — perception change is cognitive, not sensory.
+- **Emergent tactics:** Sprint ahead to get position → Careful to wait and observe → Walk when target passes. Speed modes compose into surveillance patterns.
+- **v0.1:** Sprint, Walk, Careful, Crouch. Prone deferred.
+- **Cross-reference:** Tile-based movement ([D-054](architecture.md#d-054-tile-based-movement-with-same-tile-occupancy)), sprint suppression ([D-055](architecture.md#d-055-sprint-explicitly-suppresses-interaction-buffer)), sound model ([D-018](perception.md#d-018-three-range-sound-model))
+- **Source:** Control & Interaction Workshop (2026-02-13)
+- **Raised by:** Lead (stance toggle, final call), Gestalt (Walk/Sprint/Careful triad + perception coupling), Dudley (MovementProfile + tick values), Ozzie (perception gradient), Nigel (character-defining speed)
+- **Dissent:** None after lead call.
+
+### D-065: Smuggler inventory — knowledge-primary with physical evidence
+- **Date:** 2026-02-13
+- **Decision:** Knowledge is the primary "inventory" for all characters (you SAW the manifest, not you HAVE it). The smuggler additionally gets a minimal physical inventory for v0.1: 3 specific items (manifest copy, corridor access token, personal comm log). Capacity per archetype: smuggler 3-4 slots, detective 2 slots. Carried items are PRIVATE — they exist behind the information boundary ([D-010](architecture.md#d-010-multiplayer-ready-architectural-baseline) principle 2) and are not visible to other entities unless revealed via search, scan, or confrontation. Server implementation: world entities with CarriedBy component. Verbs: Take, Place.
+- **Evidence presentation differs by archetype:** Detective sees case-file-style entries (structured: what/where/when/source/confidence, insert suggests links). Smuggler sees personal notebook (organized by person, informal voice, no contradiction flags). Same underlying knowledge graph, different presentation layer.
+- **v0.1 items (Paula):**
+  1. Manifest copy — proves cargo discrepancy. Leverage proof (smuggler's word doesn't carry institutional weight).
+  2. Corridor access token — proves ring membership. Physical proof of social network position.
+  3. Personal comm log — bridge between KG knowledge and provable leverage. Recorded conversations.
+- **UI:** Pocket icons, bottom-right of screen, 40x40px. No empty slots displayed — icons appear only when items are carried.
+- **Rationale:** Smuggler's word doesn't carry institutional weight — they need tangible proof for leverage. Detective's word IS evidence (institutional authority), so they're mostly KG-only. Three items demonstrate the risk/reward concept and differentiate the smuggler's gameplay loop. Contraband carried on person can be detected if scanned by security.
+- **Cross-reference:** Knowledge graph ([D-041](architecture.md#d-041-knowledge-graph-data-model)), information boundaries ([D-010](architecture.md#d-010-multiplayer-ready-architectural-baseline)), vertical slice ([D-027](#d-027-vertical-slice--smuggler--detective-two-character-proof)), contraband ([D-037](content.md#d-037-contraband-specification))
+- **Source:** Control & Interaction Workshop (2026-02-13)
+- **Raised by:** Lead (smuggler needs inventory), Paula (three items + presentation split), Gestalt (knowledge-primary framework), Tyre (minimal implementation: SmallVec<3>), Dudley (server model: BTreeMap + info boundary)
+- **Dissent:** Tyre initially argued zero physical items in v0.1 (saves 3-4 sprints). Adapted with minimal implementation after lead directive.
+
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-*11 decisions (9 active, 2 superseded). Last updated: 2026-02-11*
+*14 decisions (12 active, 2 superseded). Last updated: 2026-02-13*