feat(opencode): multi-provider support with local provider for qwen3.8-27b

opencode.json

@@ -20,6 +20,23 @@
           }
         }
       }
+    },
+    "local": {
+      "npm": "@ai-sdk/openai-compatible",
+      "name": "Local AI workstation (qwen3.8-27b)",
+      "options": {
+        "baseURL": "http://192.168.1.79:18020/v1",
+        "apiKey": "PLACEHOLDER_REPLACED_AT_RUNTIME"
+      },
+      "models": {
+        "qwen3.8-27b": {
+          "name": "Qwen 3.8 27B (local)",
+          "limit": {
+            "context": 32768,
+            "output": 8192
+          }
+        }
+      }
     }
   },
   "lsp": {},

pilot/opencode_review.py

@@ -389,12 +389,26 @@ def sanitize_workdir(workdir: str) -> list[str]:
 
 
 def install_config(src: str, dst: str) -> bool:
-    """Copy `opencode.json` from src to dst, substituting the model endpoint.
+    """Copy `opencode.json` from src to dst, substituting per-provider endpoint
+    + API key.
 
-    The committed `opencode.json` carries a neutral placeholder for the model
+    The committed `opencode.json` carries neutral placeholders for every
-    provider's `baseURL`, so the repo can be public without publishing the
+    provider's `baseURL`/`apiKey` so the repo can be public without leaking
-    address of a private network. The real endpoint is supplied at runtime by
+    private-network addresses. Real values are supplied at runtime and patched
-    `PRAGENT_MODEL_BASE_URL` and patched in here.
+    in here.
+
+    Env var convention (case-sensitive provider name — `headroom`, `local`):
+
+      PRAGENT_<NAME>_BASE_URL   — per-provider endpoint override
+      PRAGENT_<NAME>_API_KEY    — per-provider API key override
+      PRAGENT_MODEL_BASE_URL    — legacy catchall, applies to every provider
+                                  when the per-provider var is unset
+      PRAGENT_MODEL_API_KEY     — legacy catchall (same)
+
+    Per-provider wins over the catchall. The first 2 win when the operator
+    needs a different endpoint per upstream (e.g. headroom → MiniMax, local →
+    ai-workstation). The catchall keeps the single-provider deploys from
+    needing any env config.
 
     This is done in Python rather than with opencode's own `{env:VAR}` config
     templating because the reviewer subprocess runs with an allow-listed
@@ -405,20 +419,26 @@ def install_config(src: str, dst: str) -> bool:
     """
     if not os.path.isfile(src):
         return False
-    base_url = os.environ.get("PRAGENT_MODEL_BASE_URL", "").strip()
+    default_url = os.environ.get("PRAGENT_MODEL_BASE_URL", "").strip()
-    api_key = os.environ.get("PRAGENT_MODEL_API_KEY", "").strip()
+    default_key = os.environ.get("PRAGENT_MODEL_API_KEY", "").strip()
-    if not base_url and not api_key:
+    if not default_url and not default_key:
+        # Fast path: no env at all → commit copy is fine, no rewrite needed.
         shutil.copy2(src, dst)
         return True
     try:
         with open(src, encoding="utf-8") as f:
             cfg = json.load(f)
-        for prov in (cfg.get("provider") or {}).values():
+        for name, prov in (cfg.get("provider") or {}).items():
-            if isinstance(prov, dict) and isinstance(prov.get("options"), dict):
+            if not isinstance(prov, dict) or not isinstance(prov.get("options"), dict):
-                if base_url:
+                continue
-                    prov["options"]["baseURL"] = base_url
+            per_url = os.environ.get(f"PRAGENT_{name.upper()}_BASE_URL", "").strip()
-                if api_key:
+            per_key = os.environ.get(f"PRAGENT_{name.upper()}_API_KEY", "").strip()
-                    prov["options"]["apiKey"] = api_key
+            url = per_url or default_url
+            key = per_key or default_key
+            if url:
+                prov["options"]["baseURL"] = url
+            if key:
+                prov["options"]["apiKey"] = key
         with open(dst, "w", encoding="utf-8") as f:
             json.dump(cfg, f, indent=2)
     except (OSError, ValueError, AttributeError):