feat(skill): add multi-app skill support for Claude/Codex (#365)

* feat(skill): add multi-app skill support for Claude/Codex/Gemini

- Add app-specific skill management with AppType prefix in skill keys
- Implement per-app skill tracking in database schema
- Add get_skills_for_app command to retrieve skills by application
- Update SkillsPage to support app-specific skill loading with initialApp prop
- Parse app parameter and validate against supported app types
- Maintain backward compatibility with default claude app

* fix(usage): reorder cache columns and prevent header text wrapping

- Swap cache read and cache write columns order
- Add whitespace-nowrap to all table headers to prevent text wrapping
- Improves table readability and layout consistency

src/lib/api/skills.ts

@@ -19,17 +19,31 @@ export interface SkillRepo {
   enabled: boolean;
 }
 
+export type AppType = "claude" | "codex" | "gemini";
+
 export const skillsApi = {
-  async getAll(): Promise<Skill[]> {
-    return await invoke("get_skills");
+  async getAll(app: AppType = "claude"): Promise<Skill[]> {
+    if (app === "claude") {
+      return await invoke("get_skills");
+    }
+    return await invoke("get_skills_for_app", { app });
   },
 
-  async install(directory: string): Promise<boolean> {
-    return await invoke("install_skill", { directory });
+  async install(directory: string, app: AppType = "claude"): Promise<boolean> {
+    if (app === "claude") {
+      return await invoke("install_skill", { directory });
+    }
+    return await invoke("install_skill_for_app", { app, directory });
   },
 
-  async uninstall(directory: string): Promise<boolean> {
-    return await invoke("uninstall_skill", { directory });
+  async uninstall(
+    directory: string,
+    app: AppType = "claude",
+  ): Promise<boolean> {
+    if (app === "claude") {
+      return await invoke("uninstall_skill", { directory });
+    }
+    return await invoke("uninstall_skill_for_app", { app, directory });
   },
 
   async getRepos(): Promise<SkillRepo[]> {

src/lib/query/mutations.ts

@@ -36,9 +36,10 @@ export const useAddProviderMutation = (appId: AppId) => {
       toast.success(
         t("notifications.providerAdded", {
           defaultValue: "供应商已添加",
-        }), {
-          closeButton: true
-        }
+        }),
+        {
+          closeButton: true,
+        },
       );
     },
     onError: (error: Error) => {
@@ -66,9 +67,10 @@ export const useUpdateProviderMutation = (appId: AppId) => {
       toast.success(
         t("notifications.updateSuccess", {
           defaultValue: "供应商更新成功",
-        }), {
-          closeButton: true
-        }
+        }),
+        {
+          closeButton: true,
+        },
       );
     },
     onError: (error: Error) => {
@@ -106,9 +108,10 @@ export const useDeleteProviderMutation = (appId: AppId) => {
       toast.success(
         t("notifications.deleteSuccess", {
           defaultValue: "供应商已删除",
-        }), {
-          closeButton: true
-        }
+        }),
+        {
+          closeButton: true,
+        },
       );
     },
     onError: (error: Error) => {
@@ -147,9 +150,10 @@ export const useSwitchProviderMutation = (appId: AppId) => {
         t("notifications.switchSuccess", {
           defaultValue: "切换供应商成功",
           appName: t(`apps.${appId}`, { defaultValue: appId }),
-        }), {
-          closeButton: true
-        }
+        }),
+        {
+          closeButton: true,
+        },
       );
     },
     onError: (error: Error) => {