diff --git a/src/main/services/team/TeamProvisioningService.ts b/src/main/services/team/TeamProvisioningService.ts
index 2296d984..87b5d671 100644
--- a/src/main/services/team/TeamProvisioningService.ts
+++ b/src/main/services/team/TeamProvisioningService.ts
@@ -1324,6 +1324,47 @@ function isNeverSpawnedDuringLaunchReason(reason?: string): boolean {
   return reason?.trim() === 'Teammate was never spawned during launch.';
 }
 
+function collectRuntimeLaunchFailureDiagnostics(
+  result: TeamRuntimeLaunchResult,
+  memberName: string
+): string[] {
+  const member = result.members[memberName];
+  return [...(member?.diagnostics ?? []), member?.hardFailureReason, ...result.diagnostics].filter(
+    (value): value is string => typeof value === 'string' && value.trim().length > 0
+  );
+}
+
+function isReconciliableOpenCodeUnknownOutcome(diagnostics: readonly string[]): boolean {
+  return diagnostics.some((diagnostic) =>
+    /outcome must be reconciled before retry/i.test(diagnostic)
+  );
+}
+
+function isDefinitiveOpenCodePreLaunchFailure(
+  result: TeamRuntimeLaunchResult,
+  memberName: string
+): boolean {
+  const member = result.members[memberName];
+  if (!member) {
+    return false;
+  }
+  const hardFailed = member.launchState === 'failed_to_start' || member.hardFailure === true;
+  if (!hardFailed) {
+    return false;
+  }
+  const runtimeMaterialized =
+    member.agentToolAccepted ||
+    member.runtimeAlive ||
+    member.bootstrapConfirmed ||
+    typeof member.sessionId === 'string';
+  if (runtimeMaterialized) {
+    return false;
+  }
+  return !isReconciliableOpenCodeUnknownOutcome(
+    collectRuntimeLaunchFailureDiagnostics(result, memberName)
+  );
+}
+
 function isLaunchGraceWindowFailureReason(reason?: string): boolean {
   return reason?.trim() === 'Teammate did not join within the launch grace window.';
 }
@@ -12438,7 +12479,20 @@ export class TeamProvisioningService {
       lane.warnings = [...result.warnings];
       lane.diagnostics = [...migration.diagnostics, ...result.diagnostics];
 
-      if (result.teamLaunchState === 'partial_failure') {
+      if (isDefinitiveOpenCodePreLaunchFailure(result, lane.member.name)) {
+        const diagnostics = [
+          ...migration.diagnostics,
+          ...collectRuntimeLaunchFailureDiagnostics(result, lane.member.name),
+        ];
+        await upsertOpenCodeRuntimeLaneIndexEntry({
+          teamsBasePath: getTeamsBasePath(),
+          teamName: run.teamName,
+          laneId: lane.laneId,
+          state: 'degraded',
+          diagnostics,
+        }).catch(() => undefined);
+        this.deleteSecondaryRuntimeRun(run.teamName, lane.laneId);
+      } else if (result.teamLaunchState === 'partial_failure') {
         this.deleteSecondaryRuntimeRun(run.teamName, lane.laneId);
       }
     } catch (error) {
diff --git a/test/main/services/team/OpenCodeMixedRecovery.live.test.ts b/test/main/services/team/OpenCodeMixedRecovery.live.test.ts
index 89941f3e..b91460f0 100644
--- a/test/main/services/team/OpenCodeMixedRecovery.live.test.ts
+++ b/test/main/services/team/OpenCodeMixedRecovery.live.test.ts
@@ -79,6 +79,7 @@ liveDescribe('OpenCode mixed recovery live e2e', () => {
       const bridgeEnv = {
         ...createStableBridgeEnv(),
         PATH: withBunOnPath(process.env.PATH ?? ''),
+        XDG_DATA_HOME: path.join(tempDir, 'xdg-data-single'),
         CLAUDE_MULTIMODEL_AGENT_TEAMS_MCP_COMMAND: mcpLaunchSpec.command,
         CLAUDE_MULTIMODEL_AGENT_TEAMS_MCP_ENTRY: mcpLaunchSpec.args[0] ?? '',
       };
@@ -185,6 +186,7 @@ liveDescribe('OpenCode mixed recovery live e2e', () => {
       const bridgeEnv = {
         ...createStableBridgeEnv(),
         PATH: withBunOnPath(process.env.PATH ?? ''),
+        XDG_DATA_HOME: path.join(tempDir, 'xdg-data-multi'),
         CLAUDE_MULTIMODEL_AGENT_TEAMS_MCP_COMMAND: mcpLaunchSpec.command,
         CLAUDE_MULTIMODEL_AGENT_TEAMS_MCP_ENTRY: mcpLaunchSpec.args[0] ?? '',
       };
diff --git a/test/main/services/team/OpenCodeTeamProvisioning.live.test.ts b/test/main/services/team/OpenCodeTeamProvisioning.live.test.ts
index 5964c0d9..7ed8cbc1 100644
--- a/test/main/services/team/OpenCodeTeamProvisioning.live.test.ts
+++ b/test/main/services/team/OpenCodeTeamProvisioning.live.test.ts
@@ -68,6 +68,7 @@ liveDescribe('OpenCode team provisioning live e2e', () => {
       const bridgeEnv = {
         ...createStableBridgeEnv(),
         PATH: withBunOnPath(process.env.PATH ?? ''),
+        XDG_DATA_HOME: path.join(tempDir, 'xdg-data'),
         CLAUDE_MULTIMODEL_AGENT_TEAMS_MCP_COMMAND: mcpLaunchSpec.command,
         CLAUDE_MULTIMODEL_AGENT_TEAMS_MCP_ENTRY: mcpLaunchSpec.args[0] ?? '',
       };
diff --git a/test/main/services/team/TeamProvisioningService.test.ts b/test/main/services/team/TeamProvisioningService.test.ts
index f81d0483..91cdc576 100644
--- a/test/main/services/team/TeamProvisioningService.test.ts
+++ b/test/main/services/team/TeamProvisioningService.test.ts
@@ -2482,6 +2482,110 @@ describe('TeamProvisioningService', () => {
       );
     });
 
+    it('marks an OpenCode secondary lane degraded when readiness fails before runtime materializes', async () => {
+      const teamName = 'mixed-prelaunch-failure';
+      const svc = new TeamProvisioningService();
+      const adapterLaunch = vi.fn(async (input: Record<string, unknown>) => ({
+        runId: String(input.runId),
+        teamName: String(input.teamName),
+        launchPhase: 'finished',
+        teamLaunchState: 'partial_failure',
+        members: {
+          bob: {
+            memberName: 'bob',
+            providerId: 'opencode',
+            launchState: 'failed_to_start',
+            agentToolAccepted: false,
+            runtimeAlive: false,
+            bootstrapConfirmed: false,
+            hardFailure: true,
+            hardFailureReason: 'unknown_error',
+            diagnostics: [
+              'OpenCode readiness bridge failed: timeout: OpenCode bridge command timed out',
+              'opencode_bridge_unknown_outcome: OpenCode bridge command timed out',
+            ],
+          },
+        },
+        warnings: [],
+        diagnostics: [
+          'OpenCode readiness bridge failed: timeout: OpenCode bridge command timed out',
+        ],
+      }));
+
+      const registry = new TeamRuntimeAdapterRegistry([
+        {
+          providerId: 'opencode',
+          prepare: vi.fn(),
+          launch: adapterLaunch,
+          reconcile: vi.fn(),
+          stop: vi.fn(),
+        } as any,
+      ]);
+      svc.setRuntimeAdapterRegistry(registry);
+
+      (svc as any).launchStateStore = {
+        read: vi.fn(async () => null),
+        write: vi.fn(async () => {}),
+        clear: vi.fn(async () => {}),
+      };
+
+      const run = createMemberSpawnRun({
+        teamName,
+        expectedMembers: ['alice'],
+      });
+      run.isLaunch = true;
+      run.request = {
+        teamName,
+        cwd: '/tmp/mixed-prelaunch-failure',
+        providerId: 'codex',
+        model: 'gpt-5.4',
+        effort: 'high',
+        skipPermissions: true,
+      };
+      run.effectiveMembers = [
+        {
+          name: 'alice',
+          role: 'Reviewer',
+          providerId: 'codex',
+          model: 'gpt-5.4',
+          effort: 'high',
+        },
+      ];
+      run.mixedSecondaryLanes = [
+        {
+          laneId: 'secondary:opencode:bob',
+          providerId: 'opencode',
+          member: {
+            name: 'bob',
+            role: 'Developer',
+            providerId: 'opencode',
+            model: 'minimax-m2.5-free',
+            effort: 'medium',
+          },
+          runId: null,
+          state: 'queued',
+          result: null,
+          warnings: [],
+          diagnostics: [],
+        },
+      ];
+
+      await (svc as any).launchMixedSecondaryLaneIfNeeded(run);
+      await vi.waitFor(() => {
+        expect(adapterLaunch).toHaveBeenCalledTimes(1);
+      });
+      await expect(readOpenCodeRuntimeLaneIndex(tempTeamsBase, teamName)).resolves.toMatchObject({
+        lanes: {
+          'secondary:opencode:bob': {
+            state: 'degraded',
+            diagnostics: expect.arrayContaining([
+              'OpenCode readiness bridge failed: timeout: OpenCode bridge command timed out',
+            ]),
+          },
+        },
+      });
+    });
+
     it('starts all queued OpenCode secondary lanes without letting the first in-flight lane block its siblings', async () => {
       const svc = new TeamProvisioningService();
       const registry = new TeamRuntimeAdapterRegistry([