refactor(open-sse): P3 provider registry — split into providers/registry/{id}.js

- 100 registry files: transport + models co-located per provider (Mongoose-style)
- providers/shared.js: shared Claude headers + OS/arch helpers (deduped)
- providers/models/helpers.js: withCodexReviewModels (kept dynamic)
- providers/index.js builds PROVIDERS + PROVIDER_MODELS = old API (content byte-for-byte)
- config/providers.js + providerModels.js → barrel re-export, keep accessors + runtime helpers
- Verified: PROVIDERS/MODELS/OAuth/alias byte-for-byte, golden translator tests pass, 0 new regression

Co-authored-by: Cursor <cursoragent@cursor.com>

open-sse/providers/registry/cline.js

@@ -0,0 +1,47 @@
+export default {
+  "id": "cline",
+  "alias": "cl",
+  "transport": {
+    "baseUrl": "https://api.cline.bot/api/v1/chat/completions",
+    "headers": {
+      "HTTP-Referer": "https://cline.bot",
+      "X-Title": "Cline"
+    },
+    "tokenUrl": "https://api.cline.bot/api/v1/auth/token",
+    "refreshUrl": "https://api.cline.bot/api/v1/auth/refresh"
+  },
+  "models": [
+    {
+      "id": "anthropic/claude-opus-4.7",
+      "name": "Claude Opus 4.7"
+    },
+    {
+      "id": "anthropic/claude-sonnet-4.6",
+      "name": "Claude Sonnet 4.6"
+    },
+    {
+      "id": "anthropic/claude-opus-4.6",
+      "name": "Claude Opus 4.6"
+    },
+    {
+      "id": "openai/gpt-5.3-codex",
+      "name": "GPT-5.3 Codex"
+    },
+    {
+      "id": "openai/gpt-5.4",
+      "name": "GPT-5.4"
+    },
+    {
+      "id": "google/gemini-3.1-pro-preview",
+      "name": "Gemini 3.1 Pro Preview"
+    },
+    {
+      "id": "google/gemini-3.1-flash-lite-preview",
+      "name": "Gemini 3.1 Flash Lite Preview"
+    },
+    {
+      "id": "kwaipilot/kat-coder-pro",
+      "name": "KAT Coder Pro"
+    }
+  ]
+};