Merge pull request #3691 from islee23520/chore/gpt-5.5-followup-cleanup

docs: align GPT-5.5 model references

src/agents/hephaestus/AGENTS.md

@@ -17,6 +17,7 @@ description: Developer reference for the Hephaestus autonomous deep worker agent
 |------|---------|
 | `agent.ts` | `createHephaestusAgent()` factory, model-variant routing |
 | `gpt.ts` | Base GPT prompt: discipline rules, delegation, verification |
+| `gpt-5-5.ts` | GPT-5.5-native prompt tuned for current Hephaestus routing |
 | `gpt-5-4.ts` | GPT-5.4-native prompt with XML-tagged blocks, entropy-reduced |
 | `gpt-5-3-codex.ts` | GPT-5.3 Codex variant with task discipline sections |
 | `index.ts` | Barrel exports |

src/agents/sisyphus/AGENTS.md

@@ -9,7 +9,7 @@ description: Developer reference for Sisyphus orchestrator model-specific prompt
 
 ## OVERVIEW
 
-4 files. Model-specific prompt variants for the Sisyphus main orchestrator. Parent `sisyphus.ts` routes to the correct variant based on active model.
+5 prompt/export files. Model-specific prompt variants for the Sisyphus main orchestrator. Parent `sisyphus.ts` routes to the correct variant based on active model.
 
 ## FILES
 
@@ -18,12 +18,14 @@ description: Developer reference for Sisyphus orchestrator model-specific prompt
 | `default.ts` | Base/Claude variant: task management, delegation guides, 542 LOC |
 | `gemini.ts` | Gemini-optimized: stricter tool-usage rules, 5 NEVER rules |
 | `gpt-5-4.ts` | GPT-5.4-native: 8-block architecture, entropy-reduced, 449 LOC |
+| `gpt-5-5.ts` | GPT-5.5-native: updated orchestration prompt tuned for GPT-5.5 |
 | `index.ts` | Barrel exports |
 
 ## VARIANT SELECTION
 
 Parent `sisyphus.ts` selects variant by model name:
 - Contains "gemini" -> `gemini.ts`
+- Contains "gpt-5.5" -> `gpt-5-5.ts`
 - Contains "gpt-5.4" -> `gpt-5-4.ts`
 - Default -> `default.ts` (Claude, Kimi, GLM, etc.)