feat: prepare issue workspaces from connected repositories

packages/backend/convex/schema.ts

@@ -143,11 +143,15 @@ export default defineSchema({
     .index("by_project_and_number", ["projectId", "number"])
     .index("by_project_and_status", ["projectId", "status"]),
   projectWorkRuns: defineTable({
+    baseBranch: v.optional(v.string()),
+    branchName: v.optional(v.string()),
+    checkoutPath: v.optional(v.string()),
     projectId: v.id("projects"),
     issueId: v.id("projectIssues"),
     agentId: v.string(),
     daemonId: v.string(),
     actorKey: v.array(v.string()),
+    sourceUrl: v.optional(v.string()),
     status: v.union(
       v.literal("ready"),
       v.literal("queued"),