Merge pull request #33 from Cyning12/task/engineering-tech-graph-v2-query-coverage-v1

feat(tech-graph): 闸口 C P3 文档 + T002 graph_v2 查询可达性 follow-up

Author: Cyning12

docs/_tech_graph/00_main.ai.md

@@ -17,6 +17,17 @@ flowchart TD
   U1 --"::branches"--> T2S[[Text2SQL 子流程]]
   U2 --"::branches"--> T2S
 
+  U1 --"->"--> U2
+  // → api/index.py#L576 unified_chat_stream_route（姊妹 SSE 入口）
+  U2 --"->"--> U1
+  // → api/index.py#L561 unified_chat_route
+  U1 --"->"--> AUTH
+  // → api/chatbi_principal.py::require_chatbi_principal
+  U2 --"->"--> AUTH
+  // → api/chatbi_principal.py::require_chatbi_principal
+  U2 --"->"--> EV_TYPES
+  // → api/unified_chat.py::_event
+
   RAG --"加载"--> RAG_DOC[>10_flow_rag.md]
   T2S --"加载"--> T2S_DOC[>11_flow_text2sql.md]
 

docs/_tech_graph/graph.json

@@ -266,6 +266,21 @@
       "to": "T2S_DOC",
       "type": "depends_on"
     },
+    {
+      "anchors": [
+        {
+          "path": "api/chatbi_principal.py",
+          "symbol": "require_chatbi_principal"
+        }
+      ],
+      "from": "U1",
+      "graph_id": "00_main",
+      "label": "",
+      "mark": "->",
+      "sync": true,
+      "to": "AUTH",
+      "type": "depends_on"
+    },
     {
       "anchors": [],
       "from": "U1",
@@ -286,6 +301,46 @@
       "to": "T2S",
       "type": "branches"
     },
+    {
+      "anchors": [],
+      "from": "U1",
+      "graph_id": "00_main",
+      "label": "",
+      "mark": "->",
+      "sync": true,
+      "to": "U2",
+      "type": "depends_on"
+    },
+    {
+      "anchors": [
+        {
+          "path": "api/chatbi_principal.py",
+          "symbol": "require_chatbi_principal"
+        }
+      ],
+      "from": "U2",
+      "graph_id": "00_main",
+      "label": "",
+      "mark": "->",
+      "sync": true,
+      "to": "AUTH",
+      "type": "depends_on"
+    },
+    {
+      "anchors": [
+        {
+          "path": "api/unified_chat.py",
+          "symbol": "_event"
+        }
+      ],
+      "from": "U2",
+      "graph_id": "00_main",
+      "label": "",
+      "mark": "->",
+      "sync": true,
+      "to": "EV_TYPES",
+      "type": "depends_on"
+    },
     {
       "anchors": [],
       "from": "U2",
@@ -306,6 +361,16 @@
       "to": "T2S",
       "type": "branches"
     },
+    {
+      "anchors": [],
+      "from": "U2",
+      "graph_id": "00_main",
+      "label": "",
+      "mark": "->",
+      "sync": true,
+      "to": "U1",
+      "type": "depends_on"
+    },
     {
       "anchors": [
         {
@@ -2133,8 +2198,8 @@
       "type": "depends_on"
     }
   ],
-  "freeze_id": "TECH_GRAPH_S2_FREEZE_20260517_V2_2",
-  "generated_at": "2026-05-17T11:20:32Z",
+  "freeze_id": "TECH_GRAPH_S2_FREEZE_20260519_V2_3",
+  "generated_at": "2026-05-18T07:07:16Z",
   "graphs": [
     {
       "id": "00_main",
@@ -2194,9 +2259,9 @@
       "label": "assistant.message"
     },
     {
-      "graph_id": "10_flow_rag",
+      "graph_id": "00_main",
       "id": "AUTH",
-      "label": "鉴权"
+      "label": "AUTH"
     },
     {
       "graph_id": "10_flow_rag",
@@ -2374,7 +2439,7 @@
       "label": "event: chain"
     },
     {
-      "graph_id": "15_e2e_boundary",
+      "graph_id": "00_main",
       "id": "EV_TYPES",
       "label": "EV_TYPES"
     },

docs/diary/jsonPKmermaid/fixtures/gate_ctx_c_v1/payloads/CTX_DUAL_MD/T001_embedding_dim_default.dual_track.md

@@ -2,7 +2,7 @@
 schema: gate_ctx_c_dual_md_main_v1
 arm: CTX_DUAL_MD
 task_id: T001_embedding_dim_default
-freeze_id: TECH_GRAPH_GATE_C_FREEZE_20260518_V1_0
+freeze_id: TECH_GRAPH_QUERY_COVERAGE_FREEZE_20260519_V1_0
 ---
 
 <!-- gate_ctx_c dual_track role=ai path=docs/_tech_graph/10_flow_rag.ai.md -->

docs/diary/jsonPKmermaid/fixtures/gate_ctx_c_v1/payloads/CTX_DUAL_MD/T002_unified_sse_chain_contract.dual_track.md

@@ -2,7 +2,7 @@
 schema: gate_ctx_c_dual_md_main_v1
 arm: CTX_DUAL_MD
 task_id: T002_unified_sse_chain_contract
-freeze_id: TECH_GRAPH_GATE_C_FREEZE_20260518_V1_0
+freeze_id: TECH_GRAPH_QUERY_COVERAGE_FREEZE_20260519_V1_0
 ---
 
 <!-- gate_ctx_c dual_track role=ai path=docs/_tech_graph/15_e2e_boundary.ai.md -->

docs/diary/jsonPKmermaid/fixtures/gate_ctx_c_v1/payloads/CTX_DUAL_MD/T003_ingest_admin_rpc.dual_track.md

@@ -2,7 +2,7 @@
 schema: gate_ctx_c_dual_md_main_v1
 arm: CTX_DUAL_MD
 task_id: T003_ingest_admin_rpc
-freeze_id: TECH_GRAPH_GATE_C_FREEZE_20260518_V1_0
+freeze_id: TECH_GRAPH_QUERY_COVERAGE_FREEZE_20260519_V1_0
 ---
 
 <!-- gate_ctx_c dual_track role=ai path=docs/_tech_graph/13_flow_supabase_rpc.ai.md -->

docs/diary/jsonPKmermaid/fixtures/gate_ctx_c_v1/payloads/CTX_V2_QUERY/T001_embedding_dim_default.subgraph.json

@@ -2,7 +2,7 @@
   "schema": "gate_ctx_c_v2_query_main_v1",
   "arm": "CTX_V2_QUERY",
   "task_id": "T001_embedding_dim_default",
-  "freeze_id": "TECH_GRAPH_GATE_C_FREEZE_20260518_V1_0",
+  "freeze_id": "TECH_GRAPH_QUERY_COVERAGE_FREEZE_20260519_V1_0",
   "query": {
     "op": "downstream",
     "node_id": "ENV",
@@ -11,7 +11,7 @@
   "subgraph": {
     "schema_version": "graph_query_result_v1",
     "graph_schema_version": "graph_v2",
-    "freeze_id": "TECH_GRAPH_S2_FREEZE_20260517_V2_2",
+    "freeze_id": "TECH_GRAPH_S2_FREEZE_20260519_V2_3",
     "query": {
       "op": "downstream",
       "root": "ENV",