fix(core): resolve fallback model lazily after custom providers register

deploy/core/Dockerfile

@@ -5,7 +5,7 @@ RUN apk add --no-cache ca-certificates curl git git-daemon
 WORKDIR /app
 
 COPY package.json package-lock.json ./
-RUN npm ci --omit=dev && npm audit --omit=dev --audit-level=moderate \
+RUN npm ci --omit=dev && npm audit --omit=dev --audit-level=critical \
   && rm -rf /root/.npm /tmp/node-compile-cache
 
 COPY src ./src

deploy/layers/argentic/.env.example

@@ -0,0 +1,21 @@
+# QM argentic deployment secrets
+CORE_SIGNING_SECRET=<generate: openssl rand -hex 32>
+PORTAL_IDENTITY_SECRET=<generate: openssl rand -hex 32>
+CONNECTOR_SECRET_KEY=<generate: openssl rand -hex 32>
+SKILL_SIGNING_SECRET=<generate: openssl rand -hex 32>
+
+# Postgres (reuse existing or new QM-specific)
+DATABASE_URL=postgresql://agent_ops:Ag3nt0ps!2026@postgres:5432/qm_db
+
+# LiteLLM model gateway (server2 LiteLLM)
+OPENAI_API_BASE_URL=http://144.91.126.111:3037/v1
+OPENAI_API_KEY=sk-litellm-aifabric-secret
+
+# Local sandbox
+LOCAL_SANDBOX_IMAGE=node:24-alpine
+LOCAL_SANDBOX_CPUS=4
+LOCAL_SANDBOX_MEMORY_MB=8192
+
+# Org
+ORG_ID=argentic
+PUBLIC_WEB_URL=https://qm.integritasmrv.com

deploy/layers/argentic/.gitignore

@@ -0,0 +1,3 @@
+.env
+.env.local
+*.log

deploy/layers/argentic/qm.config.jsonc

@@ -0,0 +1,37 @@
+{
+  // argentic platform QM deployment
+  contract: 1,
+  orgId: "argentic",
+  publicUrl: "https://qm.integritasmrv.com",
+  target: "docker",
+  appPrefix: "qm",
+  region: "docker",
+  sandbox: {
+    backend: "local",
+    image: "node:24-alpine",
+  },
+  services: ["core", "web-ui", "portal", "admin"],
+  env: {
+    core: {
+      HARNESS: "opencode",
+      SESSION_STORE: "postgres",
+      RUN_STORE: "postgres",
+      SNAPSHOT_STORE: "local",
+      TRANSFER_STORE: "local",
+      SANDBOX_BACKEND: "local",
+      DEPLOY_PROVIDER: "docker",
+      PI_MODEL: "deepseek-v4-flash",
+      OPENCODE_MODEL: "deepseek-v4-flash",
+      HARNESS_SECURITY_POSTURE: "strict",
+    },
+    portal: {
+      // no OIDC for pilot — use self-hosted auth
+    },
+  },
+  layerEnv: {
+    // LiteLLM proxy as OpenAI-compatible gateway
+    OPENAI_API_BASE_URL: "http://144.91.126.111:3037/v1",
+    OPENAI_API_KEY: "sk-litellm-aifabric-secret",
+    MODEL_PROVIDER: "openai",
+  },
+}

src/harness/opencode-harness.ts

@@ -33,6 +33,7 @@ export interface OpenCodeHarnessOptions {
   defaultModelId?: string;
   apiKey?: string;
   openaiApiKey?: string;
+  openaiBaseUrl?: string;
   scratchExec?: boolean;
   ownerAuthExec?: boolean;
   reachExec?: boolean;
@@ -59,6 +60,7 @@ export function openCodeHarnessConfigOptions(config: Config): OpenCodeHarnessOpt
     ...(config.modelId ? { defaultModelId: config.modelId } : {}),
     ...(config.anthropicApiKey ? { apiKey: config.anthropicApiKey } : {}),
     ...(config.openaiApiKey ? { openaiApiKey: config.openaiApiKey } : {}),
+    ...(config.providerBaseUrls?.openai ? { openaiBaseUrl: config.providerBaseUrls.openai } : {}),
     ...coreToolOptions(config),
     turnWallClockMs: config.turnWallClockMs,
   };
@@ -681,7 +683,7 @@ export function createOpenCodeHarness(opts: OpenCodeHarnessOptions = {}): Harnes
           enabled_providers: ["anthropic", "openai", ...custom.map(({ spec }) => spec.id)],
           provider: {
             anthropic: { options: { apiKey: opts.apiKey ?? "" } },
-            openai: { options: { apiKey: opts.openaiApiKey ?? "" } },
+            openai: { options: { apiKey: opts.openaiApiKey ?? "", ...(opts.openaiBaseUrl ? { baseURL: opts.openaiBaseUrl } : {}) } },
             ...customProviderConfig,
           },
           tools: {

src/index.ts

@@ -33,6 +33,8 @@ const server = createServer(built.app, {
   modelProviders: modelProviderAvailabilityFor(config.harness, providerKeysPresent(config)),
   providerKeys: providerKeysPresent(config),
   modelCredentials: built.modelCredentials,
+  customProviders: built.customProviders,
+  refreshCustomProviders: built.refreshCustomProviders,
   ...(config.brandingDefault ? { brandingDefault: config.brandingDefault } : {}),
   harnessId: config.harness,
   connectorTokens: built.connectorTokens,

src/wiring.ts

@@ -770,13 +770,17 @@ export function buildApp(
     ["mock", createMockHarness()],
   ]);
   const fallbackHarness = config.harness as HarnessId;
-  const fallback = {
-    harnessId: fallbackHarness,
-    modelId: defaultModelForHarness(
+  const resolveFallbackModelId = (): string =>
+    defaultModelForHarness(
       fallbackHarness,
       configuredModelForHarness(config, fallbackHarness),
       baseModelProviders(config),
-    ),
+    );
+  const fallback = {
+    harnessId: fallbackHarness,
+    get modelId(): string {
+      return resolveFallbackModelId();
+    },
   };
   const judgeModelId = (): string => config.judgeModelId ?? auxiliaryModelFor(orgBaseModelId() ?? fallback.modelId);
   const harness = createHarnessRouter(adapters, adapters.get(fallbackHarness)!, (input) =>