完善 skill_manager 的技能维护能力

tests/skills/store.test.ts

@@ -13,6 +13,16 @@ describe("SkillStore", () => {
   let backupRoot: string;
   let store: SkillStore;
 
+  const skillDocument = (name: string, body: string) =>
+    [
+      "---",
+      `name: ${name}`,
+      `description: ${name} workflow.`,
+      "---",
+      "",
+      body,
+    ].join("\n");
+
   beforeEach(async () => {
     originalCwd = process.cwd();
     tempDir = await mkdtemp(join(tmpdir(), "tjwater-skills-"));
@@ -64,4 +74,93 @@ describe("SkillStore", () => {
       target: "",
     });
   });
+
+  it("writes and overwrites the main skill file", async () => {
+    const skillPath = "workflow/pressure-review";
+    const writeResult = await store.writeSkill(
+      skillPath,
+      skillDocument("pressure-review", "# Pressure Review"),
+    );
+
+    expect(writeResult).toEqual({
+      changed: true,
+      detail: "skill written",
+      target: join(skillsRoot, "workflow", "pressure-review", "SKILL.md"),
+    });
+
+    const overwriteResult = await store.writeSkill(
+      skillPath,
+      skillDocument("pressure-review", "# Updated Pressure Review"),
+    );
+
+    expect(overwriteResult).toEqual({
+      changed: true,
+      detail: "skill written",
+      target: writeResult.target,
+    });
+    await expect(readFile(writeResult.target, "utf8")).resolves.toContain(
+      "# Updated Pressure Review\n",
+    );
+  });
+
+  it("writes the root skills index via the reserved alias", async () => {
+    const result = await store.writeSkill(
+      "__root__",
+      [
+        "---",
+        "name: skills",
+        "description: TJWater Skills root index.",
+        "---",
+        "",
+        "# TJWater Skills",
+      ].join("\n"),
+    );
+
+    expect(result).toEqual({
+      changed: true,
+      detail: "skill written",
+      target: join(skillsRoot, "SKILL.md"),
+    });
+    await expect(readFile(result.target, "utf8")).resolves.toContain(
+      "# TJWater Skills\n",
+    );
+  });
+
+  it("removes the main skill file", async () => {
+    const writeResult = await store.writeSkill(
+      "workflow/remove-me",
+      skillDocument("remove-me", "# Remove Me"),
+    );
+    const removeResult = await store.removeSkill("workflow/remove-me");
+
+    expect(removeResult).toEqual({
+      changed: true,
+      detail: "skill removed",
+      target: writeResult.target,
+    });
+    await expect(readFile(writeResult.target, "utf8")).rejects.toThrow();
+  });
+
+  it("rejects sensitive skill content", async () => {
+    const result = await store.writeSkill(
+      "workflow/unsafe",
+      "access_token=secret-value",
+    );
+
+    expect(result).toEqual({
+      changed: false,
+      detail: "skill content rejected by persistence policy",
+      target: "",
+    });
+  });
+
+  it("rejects skill content without required frontmatter", async () => {
+    const result = await store.writeSkill("workflow/incomplete", "# Incomplete");
+
+    expect(result).toEqual({
+      changed: false,
+      detail: "skill content rejected: expected SKILL.md frontmatter with name and description",
+      target: "",
+    });
+  });
 });