完善 skill_manager 的技能维护能力

src/learning/orchestrator.ts

@@ -38,7 +38,13 @@ const reviewResultSchema = z.object({
   skills: z
     .array(
       z.object({
-        action: z.enum(["append_pattern", "remove_pattern", "write_reference"]),
+        action: z.enum([
+          "append_pattern",
+          "remove_pattern",
+          "write_reference",
+          "write_skill",
+          "remove_skill",
+        ]),
         confidence: z.number().min(0).max(1),
         content: z.string().optional(),
         evidence: z.string().default(""),
@@ -409,11 +415,15 @@ export class LearningOrchestrator {
               proposal.skill_path,
               proposal.target_id ?? "",
             )
-          : await this.skillStore.writeReference(
-              proposal.skill_path,
-              proposal.file_path ?? "",
-              proposal.content ?? "",
-            );
+          : proposal.action === "write_reference"
+            ? await this.skillStore.writeReference(
+                proposal.skill_path,
+                proposal.file_path ?? "",
+                proposal.content ?? "",
+              )
+            : proposal.action === "write_skill"
+              ? await this.skillStore.writeSkill(proposal.skill_path, proposal.content ?? "")
+              : await this.skillStore.removeSkill(proposal.skill_path);
     await writeLearningAuditLog({
       action: `skill-${proposal.action}`,
       detail: sanitizeAuditDetail(result.detail),
@@ -501,10 +511,11 @@ const buildReviewPrompt = ({
     "- Save only reusable workflows, methods, or pitfalls that will help in future similar tasks.",
     "- Prefer append_pattern for concise reusable lessons.",
     "- Use write_reference only for compact durable supporting notes under references/*.md.",
-    "- Do not edit frontmatter or arbitrary sections.",
+    "- Use write_skill only when the conversation establishes a complete reusable SKILL.md with frontmatter name and description; it creates or overwrites the main SKILL.md.",
+    "- Use remove_skill only when the conversation clearly establishes the whole skill is obsolete or invalid.",
     "",
     "Output JSON schema:",
-    `{"summary":"string","memories":[{"action":"add|replace|remove","scope":"user|workspace","content":"string?","target_id":"string?","confidence":0.0,"evidence":"string"}],"skills":[{"action":"append_pattern|remove_pattern|write_reference","skill_path":"string","pattern":"string?","target_id":"string?","file_path":"references/example.md?","content":"string?","confidence":0.0,"evidence":"string"}]}`,
+    `{"summary":"string","memories":[{"action":"add|replace|remove","scope":"user|workspace","content":"string?","target_id":"string?","confidence":0.0,"evidence":"string"}],"skills":[{"action":"append_pattern|remove_pattern|write_reference|write_skill|remove_skill","skill_path":"string","pattern":"string?","target_id":"string?","file_path":"references/example.md?","content":"string?","confidence":0.0,"evidence":"string"}]}`,
     "",
     "If nothing should be saved, return empty arrays.",
     "",