feat: Page AI Reasonix desktop session alignment, settings IA cleanup, knowledge RAG hardening

- ACP client/session manager: Reasonix desktop live session context
- Hermes tools: knowledge_rag tool manifest and skill updates
- Browser runtime: sidebar page AI permission/profile/render/session/tree modules
- Routes: hermes_client, hermes_tools, knowledge_rag, web_shell
- Scripts: reasonix ACP wrapper, LightRAG MCP, smoke tasks 159/558/559/561/562
- Skills: mnote-knowledge-rag and mnote-lightrag-bridge SKILL.md updates

rust/crates/mnote-web/src/routes/hermes_tools.rs

@@ -374,6 +374,9 @@ pub(crate) async fn execute_mnote_tool_call(
         }
         "mnote.knowledge_rag.status" => knowledge_rag::status(&state, &context, &input).await,
         "mnote.knowledge_rag.query" => knowledge_rag::query(&state, &context, &input).await,
+        "mnote.knowledge_rag.section_context" => {
+            knowledge_rag::section_context(&state, &context, &input).await
+        }
         "mnote.knowledge_rag.open_reference" => {
             knowledge_rag::open_reference(&state, &context, &input).await
         }
@@ -726,6 +729,7 @@ fn is_read_tool(tool_name: &str) -> bool {
             | "mnote.evidence.open"
             | "mnote.knowledge_rag.status"
             | "mnote.knowledge_rag.query"
+            | "mnote.knowledge_rag.section_context"
             | "mnote.knowledge_rag.open_reference"
             | "mnote.index.status"
             | "mnote.index.refresh"
@@ -758,6 +762,7 @@ fn is_evidence_receipt_tool(tool_name: &str) -> bool {
             | "mnote.evidence.open"
             | "mnote.knowledge_rag.status"
             | "mnote.knowledge_rag.query"
+            | "mnote.knowledge_rag.section_context"
             | "mnote.knowledge_rag.open_reference"
     )
 }