code mode initial commit

apps/x/packages/shared/src/code-sessions.ts

@@ -0,0 +1,71 @@
+import z from "zod";
+import { CodingAgent, ApprovalPolicy } from "./code-mode.js";
+
+// Shared zod schemas for the Code section: registered projects and coding
+// sessions. A coding session is backed by a run (session id == run id); the
+// mutable metadata below lives in its own per-session file.
+
+export const CodeProject = z.object({
+    id: z.string(),
+    path: z.string(),
+    name: z.string(),
+    addedAt: z.iso.datetime(),
+});
+export type CodeProject = z.infer<typeof CodeProject>;
+
+// Git facts about a project path, used to gate worktree creation in the UI.
+export const GitRepoInfo = z.object({
+    isGitRepo: z.boolean(),
+    branch: z.string().nullable(),
+    hasCommits: z.boolean(),
+    dirtyCount: z.number(),
+});
+export type GitRepoInfo = z.infer<typeof GitRepoInfo>;
+
+// 'direct': the user's messages go straight to the ACP coding agent.
+// 'rowboat': Rowboat's copilot LLM orchestrates the agent via code_agent_run.
+export const CodeSessionMode = z.enum(["direct", "rowboat"]);
+export type CodeSessionMode = z.infer<typeof CodeSessionMode>;
+
+// Derived live in the main process from the run event stream; not persisted.
+export const CodeSessionStatus = z.enum(["working", "needs-you", "idle"]);
+export type CodeSessionStatus = z.infer<typeof CodeSessionStatus>;
+
+export const CodeWorktree = z.object({
+    path: z.string(),
+    branch: z.string(),
+    // Branch the original checkout was on when the worktree was created;
+    // merge-back targets whatever the checkout is on at merge time, this is
+    // informational.
+    baseBranch: z.string().nullable(),
+    mergedAt: z.iso.datetime().optional(),
+    removedAt: z.iso.datetime().optional(),
+});
+export type CodeWorktree = z.infer<typeof CodeWorktree>;
+
+export const CodeSession = z.object({
+    id: z.string(), // == runId
+    projectId: z.string(),
+    title: z.string(),
+    agent: CodingAgent,
+    mode: CodeSessionMode,
+    policy: ApprovalPolicy,
+    // Where the agent works: the project path, or the worktree path.
+    cwd: z.string(),
+    worktree: CodeWorktree.optional(),
+    createdAt: z.iso.datetime(),
+    lastActivityAt: z.iso.datetime().optional(),
+});
+export type CodeSession = z.infer<typeof CodeSession>;
+
+export const GitFileState = z.enum(["modified", "added", "deleted", "untracked", "renamed"]);
+export type GitFileState = z.infer<typeof GitFileState>;
+
+export const GitStatusFile = z.object({
+    path: z.string(),
+    state: GitFileState,
+    // Null when git can't compute line counts (binary files).
+    insertions: z.number().nullable(),
+    deletions: z.number().nullable(),
+});
+export type GitStatusFile = z.infer<typeof GitStatusFile>;