feat(opencode): configure vllm-qwen38 provider for local Qwen3.8-27B

.gitignore

@@ -8,3 +8,5 @@ dist/
 __pycache__/
 *.pyc
 .worktrees/
+.claude/
+.opencode/package-lock.json

opencode.json

@@ -21,19 +21,32 @@
         }
       }
     },
-    "local": {
+    "vllm-qwen38": {
       "npm": "@ai-sdk/openai-compatible",
-      "name": "Local AI workstation (qwen3.8-27b)",
+      "name": "Qwen3.8-27B vLLM (RTX 3090, MTP spec-decode)",
       "options": {
         "baseURL": "http://192.168.1.79:18020/v1",
-        "apiKey": "PLACEHOLDER_REPLACED_AT_RUNTIME"
+        "apiKey": "PLACEHOLDER_REPLACED_AT_RUNTIME",
+        "timeout": 300000,
+        "chunkTimeout": 30000
       },
       "models": {
         "qwen3.8-27b": {
-          "name": "Qwen 3.8 27B (local)",
+          "name": "Qwen3.8-27B (vLLM, MTP, 150k ctx)",
+          "tools": true,
+          "thinking": true,
+          "attachments": false,
           "limit": {
-            "context": 57344,
+            "context": 150000,
             "output": 8192
+          },
+          "options": {
+            "temperature": 0.3,
+            "topP": 0.8,
+            "topK": 20,
+            "repetitionPenalty": 1.05,
+            "frequencyPenalty": 0,
+            "presencePenalty": 0
           }
         }
       }

pilot/ai_review.py

@@ -489,7 +489,7 @@ def _resolve_display_model(base_model: str, config: dict | None) -> str:
          like `claude-sonnet-5` or `qwen3.8-27b` is safe. Re-prefixed with
          the model's `provider` field from `cost_model.Price` (default
          `headroom`) so the opencode subprocess routes correctly — e.g.
-         `qwen3.8-27b` → `local/qwen3.8-27b` (local AI workstation on
+         `qwen3.8-27b` → `vllm-qwen38/qwen3.8-27b` (vLLM on RTX 3090 at
          192.168.1.79:18020), `claude-sonnet-5` → `headroom/claude-sonnet-5`
          (Anthropic pricing proxy).
       3. Default — `f"headroom/{base_model}"` where `base_model` is the bare
@@ -505,8 +505,8 @@ def _resolve_display_model(base_model: str, config: dict | None) -> str:
     cfg_model = (config or {}).get("model")
     if isinstance(cfg_model, str) and cfg_model.strip():
         # Look up the provider from PRICES so the opencode subprocess routes
-        # through the right provider block (local vs headroom). Lazy import —
+        # through the right provider block (vllm-qwen38 vs headroom). Lazy
-        # the ollama path doesn't touch cost_model.
+        # import — the ollama path doesn't touch cost_model.
         from cost_model import PRICES
         provider = PRICES.get(cfg_model.strip())
         if provider is not None:

pilot/cost_model.py

@@ -57,7 +57,7 @@ class Price:
     """Per-MTok prices. `cache_write` and `cache_read` are absolute rates, not
     multipliers, so providers with different cache economics stay comparable.
 
-    `provider` is the opencode provider name (`headroom`, `local`, ...). It
+    `provider` is the opencode provider name (`headroom`, `vllm-qwen38`, ...). It
     doubles as the dispatch key for `.pr-review.json:model` overrides — when
     a per-repo override is set, `_resolve_display_model` returns
     `f"{provider}/{key}"` so the opencode subprocess routes correctly.
@@ -98,12 +98,13 @@ PRICES: dict[str, Price] = {
     # xAI Grok — cache_write = input
     "grok-4.5": Price("Grok 4.5", 2.00, 6.00, 2.00, 0.30),
     "grok-4.3": Price("Grok 4.3", 1.25, 2.50, 1.25, 0.20),
-    # Self-hosted — local AI workstation, no per-token charge. provider="local"
+    # Self-hosted — AI workstation RTX 3090, vLLM + DFlash2 spec-decode, no
-    # so the opencode subprocess routes via the `local` provider block in
+    # per-token charge. provider="vllm-qwen38" so the opencode subprocess
-    # opencode.json (baseURL=http://192.168.1.79:18020/v1). Equivalent-cost
+    # routes via the matching provider block in opencode.json
-    # column will read $0 — the cost-comparison signal is that the same work
+    # (baseURL=http://192.168.1.79:18020/v1). Equivalent-cost column reads $0
-    # would bill $X on a paid model.
+    # — the cost-comparison signal is that the same work would bill $X on a
-    "qwen3.8-27b": Price("Qwen 3.8 27B (local)", 0.0, 0.0, 0.0, 0.0, provider="local"),
+    # paid model.
+    "qwen3.8-27b": Price("Qwen3.8-27B (vLLM, MTP, 150k ctx)", 0.0, 0.0, 0.0, 0.0, provider="vllm-qwen38"),
 }
 
 

pilot/opencode_review.py

@@ -397,7 +397,7 @@ def install_config(src: str, dst: str) -> bool:
     private-network addresses. Real values are supplied at runtime and patched
     in here.
 
-    Env var convention (case-sensitive provider name — `headroom`, `local`):
+    Env var convention (case-sensitive provider name — `headroom`, `vllm-qwen38`):
 
       PRAGENT_<NAME>_BASE_URL   — per-provider endpoint override
       PRAGENT_<NAME>_API_KEY    — per-provider API key override
@@ -406,9 +406,9 @@ def install_config(src: str, dst: str) -> bool:
       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 →
+    needs a different endpoint per upstream (e.g. headroom → MiniMax,
-    ai-workstation). The catchall keeps the single-provider deploys from
+    vllm-qwen38 → ai-workstation). The catchall keeps the single-provider
-    needing any env config.
+    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

tests/pilot/test_ai_review.py

@@ -462,11 +462,12 @@ def test_resolve_display_model_precedence(monkeypatch):
         ai_review._resolve_display_model("MiniMax-M2.7", {"model": "claude-sonnet-5"})
         == "headroom/claude-sonnet-5"
     )
-    # Self-hosted models carry provider="local" → routes to the `local`
+    # Self-hosted models carry provider="vllm-qwen38" → routes to the
-    # provider block in opencode.json (AI workstation on 192.168.1.79:18020).
+    # matching provider block in opencode.json (AI workstation on
+    # 192.168.1.79:18020).
     assert (
         ai_review._resolve_display_model("MiniMax-M2.7", {"model": "qwen3.8-27b"})
-        == "local/qwen3.8-27b"
+        == "vllm-qwen38/qwen3.8-27b"
     )
     # 3. Env wins over config
     monkeypatch.setenv("OPENCODE_MODEL", "headroom/MiniMax-M2.7")