feat(01-03): implement Kimi paths layout and local guard

- Resolve Kimi global skills under the generic agents path
- Add empty Kimi layout placeholder and local install no-op guard
- Keep selection/path tests aligned without Kimi skill conversion

src/runtime-artifact-layout.cts

@@ -167,7 +167,7 @@ function findAgentsSourceRoot(runtimeConfigDir?: string): string {
 const ALLOWED_RUNTIMES = new Set([
   'claude', 'cursor', 'gemini', 'codex', 'copilot', 'antigravity',
   'windsurf', 'augment', 'trae', 'qwen', 'hermes', 'codebuddy',
-  'cline', 'opencode', 'kilo',
+  'cline', 'kimi', 'opencode', 'kilo',
 ]);
 
 // ---------------------------------------------------------------------------
@@ -304,6 +304,12 @@ function resolveRuntimeArtifactLayout(runtime: string, configDir: string, scope:
       kinds = [];
       break;
 
+    case 'kimi':
+      // Phase 1 skeleton only: Kimi is recognized by the layout seam, but
+      // SKILL.md conversion and local project semantics are deferred.
+      kinds = [];
+      break;
+
     case 'opencode':
       kinds = [commandsKind('command', 'gsd-', configDir)];
       break;

src/runtime-homes.cts

@@ -14,6 +14,9 @@
  *   cline   — Rules-based; commands are embedded in .clinerules. Cline does
  *             not use a skills/ directory. getGlobalSkillDir() returns null
  *             for cline so the caller can emit an appropriate warning.
+ *   kimi    — Agent Skills are discovered from the generic agents root:
+ *             ~/.config/agents/skills. ~/.kimi/skills is compatible with
+ *             Kimi CLI, but is not GSD's canonical Phase 1 install target.
  */
 
 import os from 'node:os';
@@ -125,6 +128,13 @@ export function getGlobalConfigDir(runtime: string): string {
     case 'cline':
       return env['CLINE_CONFIG_DIR'] ? expandTilde(env['CLINE_CONFIG_DIR']) : path.join(home, '.cline');
 
+    // ── Kimi CLI (generic agents XDG root) ─────────────────────────────────
+    case 'kimi': {
+      if (env['KIMI_CONFIG_DIR']) return expandTilde(env['KIMI_CONFIG_DIR']);
+      if (env['XDG_CONFIG_HOME']) return path.join(expandTilde(env['XDG_CONFIG_HOME']), 'agents');
+      return path.join(home, '.config', 'agents');
+    }
+
     // ── OpenCode (XDG) ───────────────────────────────────────────────────────
     case 'opencode': {
       if (env['OPENCODE_CONFIG_DIR']) return expandTilde(env['OPENCODE_CONFIG_DIR']);