feat: add durable AgentOS slice execution

packages/backend/convex/schema.ts

@@ -44,10 +44,28 @@ export default defineSchema({
     .index("by_userId", ["userId"])
     .index("by_organizationId", ["organizationId"])
     .index("by_organizationId_and_userId", ["organizationId", "userId"]),
+  gitConnections: defineTable({
+    connectedAt: v.number(),
+    credentialCiphertext: v.string(),
+    credentialIv: v.string(),
+    credentialKind: v.union(v.literal("oauth"), v.literal("token")),
+    organizationId: v.id("organizations"),
+    provider: v.union(v.literal("github"), v.literal("gitea")),
+    serverUrl: v.string(),
+    updatedAt: v.number(),
+    username: v.optional(v.string()),
+  })
+    .index("by_organizationId", ["organizationId"])
+    .index("by_organizationId_and_provider_and_serverUrl", [
+      "organizationId",
+      "provider",
+      "serverUrl",
+    ]),
   projects: defineTable({
     createdAt: v.number(),
     defaultBranch: v.optional(v.string()),
     description: v.optional(v.string()),
+    gitConnectionId: v.optional(v.id("gitConnections")),
     name: v.string(),
     normalizedSourceUrl: v.string(),
     organizationId: v.id("organizations"),
@@ -314,11 +332,17 @@ export default defineSchema({
     ]),
 
   workRuns: defineTable({
+    baseRevision: v.optional(v.string()),
+    candidateRevision: v.optional(v.string()),
     createdAt: v.number(),
     designVersion: v.optional(v.number()),
     endedAt: v.optional(v.number()),
     kitId: v.string(),
     kitVersion: v.string(),
+    environmentId: v.optional(v.string()),
+    executionKind: v.optional(
+      v.union(v.literal("simulated"), v.literal("real"))
+    ),
     scenario: v.union(
       v.literal("success"),
       v.literal("transient-failure-then-success"),
@@ -337,6 +361,7 @@ export default defineSchema({
     ),
     terminalClassification: v.optional(attemptClassification),
     terminalSummary: v.optional(v.string()),
+    workflowId: v.optional(v.string()),
     workId: v.id("works"),
   }).index("by_work_and_createdAt", ["workId", "createdAt"]),
 
@@ -356,6 +381,7 @@ export default defineSchema({
     ),
     summary: v.optional(v.string()),
     workId: v.id("works"),
+    workspaceKey: v.optional(v.string()),
   })
     .index("by_runId_and_number", ["runId", "number"])
     .index("by_status_and_leaseExpiresAt", ["status", "leaseExpiresAt"]),