🤖 refactor: centralize workspace project runtime recreation

src/node/services/aiService.ts

@@ -22,12 +22,11 @@ import type { InitStateManager } from "./initStateManager";
 import type { SendMessageError } from "@/common/types/errors";
 import { getToolsForModel } from "@/common/utils/tools/tools";
 import { cloneToolPreservingDescriptors } from "@/common/utils/tools/cloneToolPreservingDescriptors";
-import { createRuntime } from "@/node/runtime/runtimeFactory";
 import {
   createRuntimeContextForWorkspace,
   resolveWorkspaceExecutionPath,
 } from "@/node/runtime/runtimeHelpers";
-import { getWorkspacePathHintForProject } from "@/node/services/workspaceProjectRepos";
+import { createRuntimeForWorkspaceProject } from "@/node/services/workspaceProjectRepos";
 import { MultiProjectRuntime } from "@/node/runtime/multiProjectRuntime";
 import { getMuxEnv, getRuntimeType } from "@/node/runtime/initHook";
 import { getSrcBaseDir, isSSHRuntime } from "@/common/types/runtime";
@@ -950,6 +949,14 @@ export class AIService extends EventEmitter {
         return multiProjectExecutionGate;
       }
 
+      const workspaceProjectRuntimeParams = {
+        workspaceName: metadata.name,
+        workspacePath: workspace.workspacePath,
+        runtimeConfig: metadata.runtimeConfig,
+        projectPath: metadata.projectPath,
+        projectName: metadata.projectName,
+        projects: metadata.projects,
+      };
       const singleProjectContext = isMultiProject(metadata)
         ? undefined
         : createRuntimeContextForWorkspace(metadataWithPath);
@@ -960,24 +967,10 @@ export class AIService extends EventEmitter {
             getProjects(metadata).map((project) => ({
               projectPath: project.projectPath,
               projectName: project.projectName,
-              runtime: createRuntime(metadata.runtimeConfig, {
-                projectPath: project.projectPath,
-                workspaceName: metadata.name,
-                workspacePath: isSSHRuntime(metadata.runtimeConfig)
-                  ? getWorkspacePathHintForProject(
-                      {
-                        workspaceId,
-                        workspaceName: metadata.name,
-                        workspacePath: workspace.workspacePath,
-                        runtimeConfig: metadata.runtimeConfig,
-                        projectPath: metadata.projectPath,
-                        projectName: metadata.projectName,
-                        projects: metadata.projects,
-                      },
-                      project.projectPath
-                    )
-                  : undefined,
-              }),
+              runtime: createRuntimeForWorkspaceProject(
+                workspaceProjectRuntimeParams,
+                project.projectPath
+              ),
             })),
             metadata.name
           );

src/node/services/workspaceProjectRepos.test.ts

@@ -1,13 +1,16 @@
 import { describe, expect, it } from "bun:test";
 
+import type { RuntimeConfig } from "@/common/types/runtime";
 import {
   buildLegacyRemoteProjectLayout,
   buildRemoteProjectLayout,
   getRemoteWorkspacePath,
 } from "@/node/runtime/remoteProjectLayout";
 import {
+  createRuntimeForWorkspaceProject,
   getWorkspacePathHintForProject,
   getWorkspaceProjectRepos,
+  resolveWorkspacePathForProject,
 } from "@/node/services/workspaceProjectRepos";
 
 describe("getWorkspaceProjectRepos", () => {
@@ -74,6 +77,93 @@ describe("getWorkspaceProjectRepos", () => {
     expect(repos[0]?.repoCwd).toBe(workspacePath);
   });
 
+  it("recreates single-project SSH runtimes from the persisted workspace path", () => {
+    const runtimeConfig = {
+      type: "ssh",
+      host: "example.com",
+      srcBaseDir: "/tmp/src",
+    } as const;
+    const projectPath = "/tmp/projects/main";
+    const workspaceName = "main";
+    const workspacePath = getRemoteWorkspacePath(
+      buildLegacyRemoteProjectLayout(runtimeConfig.srcBaseDir, projectPath),
+      workspaceName
+    );
+    const runtime = createRuntimeForWorkspaceProject(
+      {
+        workspaceName,
+        workspacePath,
+        runtimeConfig,
+        projectPath,
+        projectName: "main",
+      },
+      projectPath
+    );
+
+    expect(runtime.getWorkspacePath(projectPath, workspaceName)).toBe(workspacePath);
+    expect(
+      resolveWorkspacePathForProject(
+        {
+          workspaceName,
+          workspacePath,
+          runtimeConfig,
+          projectPath,
+          projectName: "main",
+        },
+        projectPath,
+        runtime
+      )
+    ).toBe(workspacePath);
+  });
+
+  it("resolves single-project paths without constructing a runtime", () => {
+    expect(
+      resolveWorkspacePathForProject(
+        {
+          workspaceName: "main",
+          workspacePath: "/tmp/workspaces/main",
+          runtimeConfig: { type: "made-up-runtime" } as unknown as RuntimeConfig,
+          projectPath: "/tmp/projects/main",
+          projectName: "main",
+        },
+        "/tmp/projects/main"
+      )
+    ).toBe("/tmp/workspaces/main");
+  });
+
+  it("resolves canonical sibling paths when a multi-project SSH workspace has no recognized layout hint", () => {
+    const runtimeConfig = {
+      type: "ssh",
+      host: "example.com",
+      srcBaseDir: "/tmp/src",
+    } as const;
+    const workspaceName = "main";
+    const primaryProjectPath = "/tmp/projects/main";
+    const secondaryProjectPath = "/tmp/projects/other";
+
+    expect(
+      resolveWorkspacePathForProject(
+        {
+          workspaceName,
+          workspacePath: "/tmp/src/containers/main",
+          runtimeConfig,
+          projectPath: primaryProjectPath,
+          projectName: "main",
+          projects: [
+            { projectPath: primaryProjectPath, projectName: "main" },
+            { projectPath: secondaryProjectPath, projectName: "other" },
+          ],
+        },
+        secondaryProjectPath
+      )
+    ).toBe(
+      getRemoteWorkspacePath(
+        buildRemoteProjectLayout(runtimeConfig.srcBaseDir, secondaryProjectPath),
+        workspaceName
+      )
+    );
+  });
+
   it("derives hashed SSH paths for secondary multi-project repos", () => {
     const runtimeConfig = {
       type: "ssh",
@@ -116,7 +206,6 @@ describe("getWorkspaceProjectRepos", () => {
 
     const hint = getWorkspacePathHintForProject(
       {
-        workspaceId: "workspace-1",
         workspaceName,
         workspacePath: getRemoteWorkspacePath(
           buildLegacyRemoteProjectLayout(runtimeConfig.srcBaseDir, primaryProjectPath),
@@ -151,7 +240,6 @@ describe("getWorkspaceProjectRepos", () => {
 
     const hint = getWorkspacePathHintForProject(
       {
-        workspaceId: "workspace-1",
         workspaceName: "main",
         workspacePath: "/tmp/src/containers/main",
         runtimeConfig,

src/node/services/workspaceProjectRepos.ts

@@ -4,6 +4,7 @@ import * as path from "node:path";
 import type { ProjectRef } from "@/common/types/workspace";
 import { isSSHRuntime, type RuntimeConfig } from "@/common/types/runtime";
 import { PlatformPaths } from "@/common/utils/paths";
+import type { Runtime } from "@/node/runtime/Runtime";
 import {
   buildLegacyRemoteProjectLayout,
   buildRemoteProjectLayout,
@@ -18,8 +19,7 @@ export interface WorkspaceProjectRepo {
   repoCwd: string;
 }
 
-interface WorkspaceProjectRepoParams {
-  workspaceId: string;
+export interface WorkspaceProjectRuntimeParams {
   workspaceName: string;
   workspacePath: string;
   runtimeConfig: RuntimeConfig;
@@ -28,6 +28,10 @@ interface WorkspaceProjectRepoParams {
   projects?: ProjectRef[];
 }
 
+interface WorkspaceProjectRepoParams extends WorkspaceProjectRuntimeParams {
+  workspaceId: string;
+}
+
 interface WorkspaceProjectStorageKeyParams {
   projectPath: string;
   projectName?: string;
@@ -138,8 +142,14 @@ export function getWorkspaceProjectStorageKeys(
   return storageKeys;
 }
 
+function hasMultipleWorkspaceProjects(
+  params: Pick<WorkspaceProjectRuntimeParams, "projects">
+): boolean {
+  return (params.projects?.length ?? 0) > 1;
+}
+
 export function getWorkspacePathHintForProject(
-  params: WorkspaceProjectRepoParams,
+  params: WorkspaceProjectRuntimeParams,
   targetProjectPath: string
 ): string | undefined {
   if (!isSSHRuntime(params.runtimeConfig)) {
@@ -172,6 +182,50 @@ export function getWorkspacePathHintForProject(
   return undefined;
 }
 
+/**
+ * Recreate the runtime for one project inside an existing workspace.
+ *
+ * Why: multi-project SSH workspaces sometimes need a sibling checkout hint derived from the
+ * persisted workspace root, while single-project workspaces should always keep using their exact
+ * checkout path from config.
+ */
+export function createRuntimeForWorkspaceProject(
+  params: WorkspaceProjectRuntimeParams,
+  targetProjectPath: string
+): Runtime {
+  const workspacePath = hasMultipleWorkspaceProjects(params)
+    ? getWorkspacePathHintForProject(params, targetProjectPath)
+    : params.workspacePath;
+
+  return createRuntime(params.runtimeConfig, {
+    projectPath: targetProjectPath,
+    workspaceName: params.workspaceName,
+    workspacePath,
+  });
+}
+
+export function resolveWorkspacePathForProject(
+  params: WorkspaceProjectRuntimeParams,
+  targetProjectPath: string,
+  runtime?: Runtime
+): string {
+  if (!hasMultipleWorkspaceProjects(params)) {
+    assert(
+      params.workspacePath.trim().length > 0,
+      "resolveWorkspacePathForProject: workspacePath must be non-empty"
+    );
+    return params.workspacePath;
+  }
+
+  const projectRuntime = runtime ?? createRuntimeForWorkspaceProject(params, targetProjectPath);
+  const workspacePath = projectRuntime.getWorkspacePath(targetProjectPath, params.workspaceName);
+  assert(
+    workspacePath.trim().length > 0,
+    `resolveWorkspacePathForProject: workspacePath missing for ${targetProjectPath}`
+  );
+  return workspacePath;
+}
+
 export function getWorkspaceProjectRepos(
   params: WorkspaceProjectRepoParams
 ): WorkspaceProjectRepo[] {
@@ -197,25 +251,9 @@ export function getWorkspaceProjectRepos(
     projectName: params.projectName,
     projects: params.projects,
   });
-  const isMultiProject = projectStorageKeys.length > 1;
 
   const repos = projectStorageKeys.map((project) => {
-    const sshWorkspacePathHint = isMultiProject
-      ? getWorkspacePathHintForProject(params, project.projectPath)
-      : undefined;
-
-    const repoCwd = !isMultiProject
-      ? params.workspacePath
-      : (sshWorkspacePathHint ??
-        createRuntime(params.runtimeConfig, {
-          projectPath: project.projectPath,
-          workspaceName: params.workspaceName,
-        }).getWorkspacePath(project.projectPath, params.workspaceName));
-
-    assert(
-      repoCwd.trim().length > 0,
-      `getWorkspaceProjectRepos: repoCwd missing for ${project.projectName}`
-    );
+    const repoCwd = resolveWorkspacePathForProject(params, project.projectPath);
 
     return {
       projectPath: project.projectPath,