complete codex docs

docs/development/CODEX_GUIDE.md

@@ -17,12 +17,15 @@ This file is the first stop for future Codex sessions working in this repository
 
 1. `docs/architecture/REPOSITORY_OVERVIEW.md`
 2. `docs/architecture/PANEL_AGENT_FLOW.md`
-3. `docs/modules/MODULE_INDEX.md`
-4. `docs/modules/GAMEMANAGER.md`
-5. `docs/features/STATUS_SYSTEM.md`
-6. `docs/features/XML_SYSTEM.md`
-7. `docs/modules/SCHEDULER.md`
-8. `docs/modules/SERVER_CONTENT_MANAGER.md`
+3. `docs/architecture/API_REFERENCE.md`
+4. `docs/modules/MODULE_INDEX.md`
+5. `docs/modules/GAMEMANAGER.md`
+6. `docs/features/STATUS_SYSTEM.md`
+7. `docs/features/XML_SYSTEM.md`
+8. `docs/modules/SCHEDULER.md`
+9. `docs/modules/SERVER_CONTENT_MANAGER.md`
+10. `docs/decisions/`
+11. `docs/games/`
 
 ## Important Files By Topic
 
@@ -76,6 +79,20 @@ This file is the first stop for future Codex sessions working in this repository
 - `Agent_Linux/ogp_agent.pl`
 - `Agent-Windows/ogp_agent.pl`
 
+### Decisions And Historical Reports
+
+- `docs/architecture/AI_GSP_ARCHITECTURE.md`
+- `docs/decisions/0001-screen-vs-tmux.md`
+- `docs/decisions/0002-status-detection.md`
+- `docs/decisions/0003-companion-programs.md`
+- `docs/decisions/0004-workshop-system.md`
+- `docs/decisions/0005-control-path-layout.md`
+- `docs/decisions/0006-installers.md`
+- `docs/decisions/COMPANION_PROGRAMS_DESIGN.md`
+- `docs/decisions/SCHEDULER_ACTIONS_DESIGN.md`
+- `docs/decisions/STEAM_WORKSHOP_DESIGN.md`
+- `docs/development/GSP_PLATFORM_IMPROVEMENT_REPORT.md`
+
 ## Common Development Workflows
 
 ### Debug a start/stop/restart issue
@@ -119,6 +136,7 @@ The repository has already been mapped in these areas:
 - current Server Content Manager structure
 - current scheduler structure
 - module-level roles and dependency patterns
+- preserved investigation reports have been moved into the docs tree
 
 ## Things Intentionally Not Yet Implemented
 
@@ -135,4 +153,3 @@ This documentation-only pass does not implement:
 ## Practical Rule for Future Sessions
 
 Before scanning code broadly, read the docs layer first. Only open source files when the documentation does not already answer the question.
-