feat: support opencode

web/src/hooks/mutations/useSessionActions.ts

@@ -62,7 +62,7 @@ export function useSessionActions(
             if (!api || !sessionId) {
                 throw new Error('Session unavailable')
             }
-            const isKnownFlavor = agentFlavor === 'claude' || agentFlavor === 'codex' || agentFlavor === 'gemini'
+            const isKnownFlavor = agentFlavor === 'claude' || agentFlavor === 'codex' || agentFlavor === 'gemini' || agentFlavor === 'opencode'
             if (isKnownFlavor && !isPermissionModeAllowedForFlavor(mode, agentFlavor)) {
                 throw new Error('Invalid permission mode for session flavor')
             }

web/src/hooks/mutations/useSpawnSession.ts

@@ -6,7 +6,7 @@ import { queryKeys } from '@/lib/query-keys'
 type SpawnInput = {
     machineId: string
     directory: string
-    agent?: 'claude' | 'codex' | 'gemini'
+    agent?: 'claude' | 'codex' | 'gemini' | 'opencode'
     model?: string
     yolo?: boolean
     sessionType?: 'simple' | 'worktree'

web/src/hooks/queries/useSlashCommands.ts

@@ -50,6 +50,7 @@ const BUILTIN_COMMANDS: Record<string, SlashCommand[]> = {
         { name: 'compress', description: 'Compress the context by replacing it with a summary', source: 'builtin' },
         { name: 'stats', description: 'Check session stats', source: 'builtin' },
     ],
+    opencode: [],
 }
 
 export function useSlashCommands(