sync: match upstream PR #56891 at rebase 2026-03-30

Brings Gitea mirror up to date with the current state of the
openclaw/openclaw PR branch, including all fixes from Codex review:

- Namespaced directive keys (fishaudio_*/fish_* prefixes only)
- Strict latency directive validation with warnings
- Code quality cleanup, s2 model removal
- Contract and directive parsing tests
- README updated with prefixed directive docs

Source: Conan-Scott/openclaw@9787ef6e (feat/fish-audio-speech-provider)

package.json

@@ -1,21 +1,12 @@
 {
   "name": "@openclaw/fish-audio-speech",
-  "version": "0.1.0",
-  "description": "Fish Audio TTS speech provider plugin for OpenClaw",
+  "version": "2026.3.28",
+  "private": true,
+  "description": "OpenClaw Fish Audio speech plugin",
   "type": "module",
-  "license": "MIT",
   "openclaw": {
     "extensions": [
       "./index.ts"
     ]
-  },
-  "peerDependencies": {
-    "openclaw": ">=2026.3.0"
-  },
-  "devDependencies": {
-    "vitest": "^3.0.0"
-  },
-  "scripts": {
-    "test": "vitest run"
   }
 }