Bump version to 0.2.0 and enhance documentation

- Updated version number in pyproject.toml and __init__.py to 0.2.0.
- Revised README.md to reflect the current state of the project, including usage instructions and setup steps.
- Improved CLI documentation in cli.md, adding details about new commands and their functionalities.
- Enhanced the quick start section in README.md for better clarity on initial setup.
- Updated local folder documentation to clarify file handling and commands.
- Added a new command for listing GPU flavors and improved error handling in the CLI.
- Implemented a watchdog feature in the tunnel to manage server states effectively.

src/gpu_rent/session.py

@@ -21,6 +21,9 @@ from gpu_rent.cloud import (
 )
 from gpu_rent.bootstrap import run_bootstrap
 from gpu_rent.provision import provision_vm
+from gpu_rent.ready import wait_backend_idle
+from gpu_rent.snapshot import ensure_boot_snapshot
+from gpu_rent.notify import notify_ready, print_mcp_snippet
 from gpu_rent.config import Config
 from gpu_rent.errors import CloudError, GpuRentError
 from gpu_rent.inventory import (
@@ -29,6 +32,7 @@ from gpu_rent.inventory import (
     pick_volume_type,
     resolve_flavor,
 )
+from gpu_rent.ux import print_up_preview
 from gpu_rent.lock import SessionLock
 from gpu_rent.os_client import (
     KEYPAIR_NAME,
@@ -71,11 +75,25 @@ def _bind_access(conn, server, state: SessionState, cfg: Config, log: Log) -> Se
     wait_ssh(cfg, ip)
     log(f"SSH {cfg.ssh_user}@{ip}")
     run_bootstrap(cfg, ip, log)
-    provision_vm(cfg, ip, log)
+    provision_vm(cfg, ip, log, conn=conn, server_id=getattr(server, "id", None) or state.server_id)
+    try:
+        wait_backend_idle(cfg, ip, log)
+    except CloudError as exc:
+        log(f"ready: {exc}")
+    try:
+        ensure_boot_snapshot(
+            conn,
+            boot_volume_id=state.boot_volume_id,
+            cfg=cfg,
+            log=log,
+        )
+    except CloudError as exc:
+        log(f"snapshot: {exc}")
+    notify_ready(cfg, log)
+    print_mcp_snippet(cfg, log)
     state.bootstrapped = True
+    state.phase = "ready_cloud"
     save_state(state)
-    log("gpu-rent tunnel   — UI на localhost:17801")
-    log("gpu-rent stop     — удалить compute, диски оставить")
     return state
 
 
@@ -154,10 +172,14 @@ def cmd_up(
         vtype = pick_volume_type(list(iter_volume_types(conn)), cfg.gpu_rent_az)
         spot = cfg.default_spot and not no_spot
 
+        print_up_preview(cfg, flavors, picked=picked, spot=spot, log=log)
+
         prompt = (
             f"Создать {'preemptible ' if spot else ''}GPU {picked.name} "
             f"в {cfg.gpu_rent_az}, образ {getattr(image, 'name', image.id)}, "
-            f"data {cfg.data_volume_size_gb} GB. Диск тарифицируется всегда. Продолжить?"
+            f"data {cfg.data_volume_size_gb} GB.\n"
+            f"Диск тарифицируется всегда; idle-killer через {cfg.idle_minutes} мин "
+            f"простоя (льгота {cfg.idle_grace_minutes} мин). Продолжить?"
         )
         if not yes:
             ok = confirm(prompt) if confirm else False