feat(draw): make sessions global across workspaces

Store draw sessions in ~/.crabcode/draw/<project-alias>/ instead of
per-workspace .crab/draw/, matching the crab wip storage pattern.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: MrFlounder

plugins/draw/src/cli.ts

@@ -73,8 +73,8 @@ function showHelp(): void {
   console.log('  --port <port>          Use specific port (default: auto from 7220)');
   console.log('  --help, -h             Show this help');
   console.log('');
-  console.log('Sessions are saved to .crab/draw/ in your project directory.');
-  console.log('Commit them to git so teammates can access them with the same commands.');
+  console.log('Sessions are saved globally to ~/.crabcode/draw/.');
+  console.log('They are shared across all workspaces in the same project.');
 }
 
 async function main(): Promise<void> {

plugins/draw/src/commands/open.ts

@@ -95,7 +95,7 @@ export async function openSession(projectRoot: string, opts: OpenOptions): Promi
     httpServer.close();
     if (tunnel) tunnel.close();
 
-    console.log(`Session saved to .crab/draw/${opts.sessionId}/`);
+    console.log(`Session saved: ${opts.sessionId}`);
     process.exit(0);
   };
 

plugins/draw/src/commands/start.ts

@@ -112,8 +112,7 @@ export async function startSession(projectRoot: string, opts: StartOptions): Pro
     httpServer.close();
     if (tunnel) tunnel.close();
 
-    console.log(`Session saved to .crab/draw/${sessionId}/`);
-    console.log(`  Drawing: .crab/draw/${sessionId}/drawing.excalidraw`);
+    console.log(`Session saved: ${sessionId}`);
     console.log(`  Reopen:  crab draw ${sessionId}\n`);
 
     process.exit(0);

plugins/draw/src/storage/sessions.ts

@@ -1,9 +1,13 @@
 import fs from 'node:fs';
+import os from 'node:os';
 import path from 'node:path';
 import type { DrawSession, ExcalidrawElement } from '../types.js';
 
-function drawDir(projectRoot: string): string {
-  return path.join(projectRoot, '.crab', 'draw');
+function drawDir(_projectRoot: string): string {
+  const configDir = process.env.CRAB_CONFIG_DIR || path.join(os.homedir(), '.crabcode');
+  const projectAlias = process.env.CRAB_PROJECT_ALIAS;
+  const base = path.join(configDir, 'draw');
+  return projectAlias ? path.join(base, projectAlias) : base;
 }
 
 function sessionDir(projectRoot: string, id: string): string {

src/crabcode

@@ -7599,7 +7599,7 @@ handle_draw_command() {
         draw_help
       else
         # No args = start new session
-        CRAB_PROJECT_ROOT="${REPO_PATH:-$(pwd)}" node "$PLUGIN_DIR/dist/cli.js" "$@"
+        CRAB_PROJECT_ROOT="${REPO_PATH:-$(pwd)}" CRAB_CONFIG_DIR="$CONFIG_DIR" CRAB_PROJECT_ALIAS="$PROJECT_ALIAS" node "$PLUGIN_DIR/dist/cli.js" "$@"
       fi
       ;;
     *)
@@ -7614,7 +7614,7 @@ handle_draw_command() {
         return 1
       fi
       # Pass all args to the Node.js CLI
-      CRAB_PROJECT_ROOT="${REPO_PATH:-$(pwd)}" node "$PLUGIN_DIR/dist/cli.js" "$@"
+      CRAB_PROJECT_ROOT="${REPO_PATH:-$(pwd)}" CRAB_CONFIG_DIR="$CONFIG_DIR" CRAB_PROJECT_ALIAS="$PROJECT_ALIAS" node "$PLUGIN_DIR/dist/cli.js" "$@"
       ;;
   esac
 }