Add detailed file index and enhance skill documentation for autopilot, decompose, deploy, plan, and research skills. Introduce tests-only mode in decompose skill, clarify required files for deploy and plan skills, and improve prerequisite checks across skills for better user guidance and workflow efficiency.

_docs/02_document/state.json

@@ -0,0 +1,13 @@
+{
+  "current_step": "complete",
+  "completed_steps": ["discovery", "module-analysis", "component-assembly", "system-synthesis", "verification", "solution-extraction", "problem-extraction", "final-report"],
+  "modules_total": 10,
+  "modules_documented": [
+    "constants_inf", "ai_config", "inference_engine", "loader_http_client",
+    "ai_availability_status", "annotation", "onnx_engine", "tensorrt_engine",
+    "inference", "main"
+  ],
+  "modules_remaining": [],
+  "components_written": ["01_domain", "02_inference_engines", "03_inference_pipeline", "04_api"],
+  "last_updated": "2026-03-21"
+}