feat(page-ai): add skill context and agent profile policy

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

@@ -13,6 +13,10 @@ pub fn manifest() -> Value {
             "writeOwner": "rust-runtime-kernel"
         },
         "tools": [
+            skill_read_tool(),
+            context_snapshot_tool(),
+            context_read_current_page_tool(),
+            context_resolve_target_tool(),
             doc_fetch_tool(),
             doc_find_tool(),
             block_fetch_tool(),
@@ -37,6 +41,95 @@ pub fn manifest() -> Value {
     })
 }
 
+fn skill_read_tool() -> Value {
+    let mut properties = base_identity_properties();
+    if let Value::Object(map) = &mut properties {
+        map.insert("skillId".into(), json!({ "type": "string" }));
+        map.insert("agentId".into(), json!({ "type": "string" }));
+    }
+    json!({
+        "name": "mnote.skill.read",
+        "description": "按需读取 MNote skill 正文。默认 prompt 只列 skill 摘要，正文必须通过本工具懒加载。",
+        "schemaVersion": TOOL_SCHEMA_VERSION,
+        "capabilityScope": ["skill.read"],
+        "status": "available",
+        "annotations": tool_annotations(true, false, true, false),
+        "inputSchema": {
+            "type": "object",
+            "required": ["skillId"],
+            "properties": properties
+        }
+    })
+}
+
+fn context_snapshot_tool() -> Value {
+    let mut properties = base_identity_properties();
+    if let Value::Object(map) = &mut properties {
+        map.insert(
+            "contextRefs".into(),
+            json!({ "type": "array", "items": { "type": ["string", "object"] } }),
+        );
+    }
+    json!({
+        "name": "mnote.context.snapshot",
+        "description": "返回本次 run 可用的 MNote 上下文摘要，不返回页面正文全文。",
+        "schemaVersion": TOOL_SCHEMA_VERSION,
+        "capabilityScope": ["context.read"],
+        "status": "available",
+        "annotations": tool_annotations(true, false, true, false),
+        "inputSchema": {
+            "type": "object",
+            "properties": properties
+        }
+    })
+}
+
+fn context_read_current_page_tool() -> Value {
+    let mut tool = doc_fetch_tool();
+    if let Value::Object(map) = &mut tool {
+        map.insert(
+            "name".into(),
+            Value::String("mnote.context.read_current_page".into()),
+        );
+        map.insert(
+            "description".into(),
+            Value::String("在 current_page contextRef 被授权时读取当前 Markdown 页面。".into()),
+        );
+        map.insert(
+            "capabilityScope".into(),
+            json!(["context.read", "page.read"]),
+        );
+    }
+    tool
+}
+
+fn context_resolve_target_tool() -> Value {
+    let mut properties = base_identity_properties();
+    if let Value::Object(map) = &mut properties {
+        map.insert(
+            "contextRefs".into(),
+            json!({ "type": "array", "items": { "type": ["string", "object"] } }),
+        );
+        map.insert("relativePath".into(), json!({ "type": "string" }));
+        map.insert(
+            "fileVersion".into(),
+            json!({ "type": ["string", "object"] }),
+        );
+    }
+    json!({
+        "name": "mnote.context.resolve_target",
+        "description": "解析当前 Page AI run 的工作区、文档、rootUri、relativePath 与 file version。",
+        "schemaVersion": TOOL_SCHEMA_VERSION,
+        "capabilityScope": ["context.read"],
+        "status": "available",
+        "annotations": tool_annotations(true, false, true, false),
+        "inputSchema": {
+            "type": "object",
+            "properties": properties
+        }
+    })
+}
+
 fn base_identity_properties() -> Value {
     json!({
         "workspaceId": { "type": "string" },