Add local live smoke test suite (#148)

## Summary
- add an opt-in local `smoke/` pytest suite for API, auth, providers,
CLI, IDE-shaped requests, messaging, voice, tools, and thinking stream
contracts
- keep smoke tests out of normal CI collection with `testpaths =
["tests"]`
- write sanitized smoke artifacts under `.smoke-results/`

## Verification
- `uv run ruff format`
- `uv run ruff check`
- `uv run ty check`
- `uv run ty check smoke`
- `FCC_LIVE_SMOKE=1 FCC_SMOKE_TARGETS=all FCC_SMOKE_RUN_VOICE=1 uv run
pytest smoke -n 0 -m live -s --tb=short` -> 17 passed, 9 skipped
- `uv run pytest` -> 904 passed

## Notes
- Skipped live checks require local credentials/tools/services, such as
provider models, Telegram/Discord targets, voice backend, or Claude CLI.
- `claude-pick` smoke was intentionally removed.

smoke/test_cli_live.py

@@ -0,0 +1,74 @@
+from __future__ import annotations
+
+import os
+import shutil
+import subprocess
+from pathlib import Path
+
+import pytest
+
+from smoke.lib.config import SmokeConfig
+from smoke.lib.server import start_server
+
+pytestmark = [pytest.mark.live, pytest.mark.smoke_target("cli")]
+
+
+def test_fcc_init_scaffolds_user_config(
+    smoke_config: SmokeConfig, tmp_path: Path
+) -> None:
+    env = os.environ.copy()
+    env["HOME"] = str(tmp_path)
+    env["USERPROFILE"] = str(tmp_path)
+    result = subprocess.run(
+        ["uv", "run", "fcc-init"],
+        cwd=smoke_config.root,
+        env=env,
+        capture_output=True,
+        text=True,
+        timeout=smoke_config.timeout_s,
+        check=False,
+    )
+    assert result.returncode == 0, result.stderr or result.stdout
+    assert (tmp_path / ".config" / "free-claude-code" / ".env").is_file()
+
+
+def test_free_claude_code_entrypoint_starts_server(smoke_config: SmokeConfig) -> None:
+    with start_server(
+        smoke_config,
+        command=["uv", "run", "free-claude-code"],
+        env_overrides={"MESSAGING_PLATFORM": "none"},
+        name="entrypoint",
+    ) as server:
+        assert server.process.poll() is None
+
+
+def test_claude_cli_prompt_when_available(
+    smoke_config: SmokeConfig, tmp_path: Path
+) -> None:
+    claude_bin = shutil.which(smoke_config.claude_bin)
+    if not claude_bin:
+        pytest.skip(f"Claude CLI not found: {smoke_config.claude_bin}")
+    models = smoke_config.provider_models()
+    if not models:
+        pytest.skip("no configured provider model available for Claude CLI smoke")
+
+    with start_server(
+        smoke_config,
+        env_overrides={"MODEL": models[0].full_model, "MESSAGING_PLATFORM": "none"},
+        name="claude-cli",
+    ) as server:
+        env = os.environ.copy()
+        env["ANTHROPIC_BASE_URL"] = server.base_url
+        if smoke_config.settings.anthropic_auth_token:
+            env["ANTHROPIC_AUTH_TOKEN"] = smoke_config.settings.anthropic_auth_token
+        result = subprocess.run(
+            [claude_bin, "-p", "Reply with exactly FCC_SMOKE_PONG"],
+            cwd=tmp_path,
+            env=env,
+            capture_output=True,
+            text=True,
+            timeout=smoke_config.timeout_s,
+            check=False,
+        )
+    assert result.returncode == 0, result.stderr or result.stdout
+    assert "FCC_SMOKE_PONG" in result.stdout