refactor(simulation): move content/ under server/ (#669)

Content files (RON templates, YAML campaigns, gauntlet data) are consumed
exclusively by the server. Colocate them at server/content/ and update all
path references in Rust source, tooling scripts, and schema files.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

server/content/global/knowledge/progress.yaml

@@ -0,0 +1,36 @@
+# Fact catalog: progress
+# Narrative milestone flags
+# Note: progress.* facts are NOT recommended for direct authoring in prerequisite blocks.
+# Use investigation fact chains and relationship states instead.
+# These exist for potential storyteller/arc-tracking use.
+# Source: docs/design/knowledge-vocabulary-v01.md §3.2 (#368)
+
+facts:
+
+  - fact_id: progress.friend_arc_phase_1
+    description: FRIEND arc Phase 1 warmth established (baseline positive relationship)
+    notes: "Set by relationship state transition to Friendly. Do not author directly — use relationship checks."
+
+  - fact_id: progress.friend_arc_phase_2
+    description: FRIEND arc Phase 2 trust built (deep rapport + initial social context)
+    notes: "Set by trust tier advancement. Do not author directly — use investigation + relationship checks."
+
+  - fact_id: progress.friend_arc_contradiction
+    description: FRIEND contradiction discovered (KnowledgeState → Contradicted)
+    notes: "Set by contradiction detection system. Use relationship state person_of_interest + investigation fact instead."
+
+  - fact_id: progress.friend_arc_confrontation
+    description: FRIEND confronted about contradiction
+    notes: "Set post-confrontation by dialogue system."
+
+  - fact_id: progress.opening_complete
+    description: Opening tutorial sequence completed (first 5 minutes)
+    notes: "Set by storyteller after initial objective sequence."
+
+  - fact_id: progress.first_ring_contact
+    description: Smuggler completed first ring operation during play session
+    characters: [smuggler]
+
+  - fact_id: progress.first_evidence_filed
+    description: Detective filed first manifest discrepancy evidence
+    characters: [detective]