Add v1.1.0 with progress streaming, timeouts, and git validation.

Surface Cursor run progress to stderr and response payloads, enforce
CURSOR_TIMEOUT_SECONDS, validate git repos before delegate, and fix
resume session cwd persistence. Includes docs, tests, and packaging.

Co-authored-by: Cursor <cursoragent@cursor.com>

.gitignore

@@ -0,0 +1,18 @@
+# Python
+__pycache__/
+*.py[cod]
+*.egg-info/
+.venv/
+dist/
+build/
+
+# Local env / secrets
+.env
+
+# Runtime data
+.local/
+
+# Editor
+.DS_Store
+.idea/
+.vscode/