refactor(hermes): delegate deep config to Hermes Web UI

Slim the Hermes surface in CC Switch to match its core positioning —
cross-client provider switching and shared MCP/prompts/skills — and
delegate deep configuration (model, agent, env, skills, cron, logs)
to the Hermes Web UI at http://127.0.0.1:9119.

- Drop AgentPanel/EnvPanel/ModelPanel and their mutation commands,
  hooks, types, and i18n keys across zh/en/ja.
- Add open_hermes_web_ui Tauri command that probes /api/status and
  launches the URL in the system browser. Hermes injects its own
  session token into the returned HTML, so CC Switch doesn't need
  to touch auth.
- Surface the launcher from the Hermes toolbar and the health banner
  via a shared useOpenHermesWebUI() hook; the offline error code is
  defined once per side and referenced across the contract.
- Keep read-only access to model.provider so ProviderList can still
  highlight the active supplier; apply_switch_defaults continues to
  write the top-level model section when switching providers.

Net diff: +152 / -1253.

src/lib/api/hermes.ts

@@ -1,92 +1,30 @@
 import { invoke } from "@tauri-apps/api/core";
-import type {
-  HermesModelConfig,
-  HermesAgentConfig,
-  HermesEnvConfig,
-  HermesHealthWarning,
-  HermesWriteOutcome,
-} from "@/types";
+import type { HermesModelConfig, HermesHealthWarning } from "@/types";
 
 /**
- * Hermes Agent configuration API
+ * Hermes Agent configuration API (CC Switch side).
  *
- * Manages Hermes config sections:
- * - model (model selection and provider)
- * - agent (agent behavior)
- * - env (environment variables)
+ * CC Switch intentionally keeps its Hermes surface minimal — deep configuration
+ * (model, agent behavior, env vars, skills, cron, logs, analytics) lives in
+ * the Hermes Web UI at http://127.0.0.1:9119. CC Switch only reads the `model`
+ * section to highlight the active provider, scans config health, and launches
+ * the Hermes Web UI for everything else. Writes to `model` happen implicitly
+ * via `apply_switch_defaults` when the user switches providers.
  */
 export const hermesApi = {
-  // ============================================================
-  // Model Configuration
-  // ============================================================
-
-  /**
-   * Get model configuration
-   */
   async getModelConfig(): Promise<HermesModelConfig | null> {
     return await invoke("get_hermes_model_config");
   },
 
-  /**
-   * Set model configuration
-   */
-  async setModelConfig(config: HermesModelConfig): Promise<HermesWriteOutcome> {
-    return await invoke("set_hermes_model_config", { config });
-  },
-
-  // ============================================================
-  // Agent Configuration
-  // ============================================================
-
-  /**
-   * Get agent configuration
-   */
-  async getAgentConfig(): Promise<HermesAgentConfig | null> {
-    return await invoke("get_hermes_agent_config");
-  },
-
-  /**
-   * Set agent configuration
-   */
-  async setAgentConfig(config: HermesAgentConfig): Promise<HermesWriteOutcome> {
-    return await invoke("set_hermes_agent_config", { config });
-  },
-
-  // ============================================================
-  // Env Configuration
-  // ============================================================
-
-  /**
-   * Get env configuration (.env file)
-   */
-  async getEnv(): Promise<HermesEnvConfig> {
-    return await invoke("get_hermes_env");
-  },
-
-  /**
-   * Set env configuration (.env file)
-   */
-  async setEnv(env: HermesEnvConfig): Promise<HermesWriteOutcome> {
-    return await invoke("set_hermes_env", { env });
-  },
-
-  // ============================================================
-  // Health
-  // ============================================================
-
-  /**
-   * Scan config health and return warnings
-   */
   async scanHealth(): Promise<HermesHealthWarning[]> {
     return await invoke("scan_hermes_config_health");
   },
 
   /**
-   * Get live provider config by ID
+   * Probe the local Hermes Web UI and open it in the system browser.
+   * Optional `path` lets callers deep-link to specific pages like `/config`.
    */
-  async getLiveProvider(
-    providerId: string,
-  ): Promise<Record<string, unknown> | null> {
-    return await invoke("get_hermes_live_provider", { providerId });
+  async openWebUI(path?: string): Promise<void> {
+    await invoke("open_hermes_web_ui", { path: path ?? null });
   },
 };