feat: chat shell page rendering

tests/test_chat_shell.py

@@ -0,0 +1,83 @@
+from __future__ import annotations
+
+from pathlib import Path
+
+import pytest
+from fastapi.testclient import TestClient
+
+from chat.app import app
+from chat.db.connection import open_db
+from chat.eventlog.log import append_event
+from chat.eventlog.projector import project
+
+
+@pytest.fixture
+def client(tmp_path, monkeypatch):
+    cfg = tmp_path / "config.toml"
+    cfg.write_text('featherless_api_key = "test"\n')
+    monkeypatch.setenv("CHAT_CONFIG_PATH", str(cfg))
+    db = tmp_path / "test.db"
+    monkeypatch.setenv("CHAT_DB_PATH", str(db))
+    with TestClient(app) as c:
+        yield c
+
+
+def _seed_chat(db_path: Path, bot_id: str = "bot_a", chat_id: str = "chat_bot_a") -> None:
+    """Author a bot, create a chat with default state."""
+    with open_db(db_path) as conn:
+        append_event(
+            conn,
+            kind="bot_authored",
+            payload={
+                "id": bot_id,
+                "name": "BotA",
+                "persona": "...",
+                "voice_samples": [],
+                "traits": [],
+                "backstory": "",
+                "initial_relationship_to_you": "",
+                "kickoff_prose": "...",
+            },
+        )
+        append_event(
+            conn,
+            kind="chat_created",
+            payload={
+                "id": chat_id,
+                "host_bot_id": bot_id,
+                "initial_time": "2026-04-26T20:00:00+00:00",
+                "narrative_anchor": "Day 1",
+                "weather": "",
+            },
+        )
+        project(conn)
+
+
+def test_get_chat_404_when_missing(client):
+    response = client.get("/chats/no_such_chat")
+    assert response.status_code == 404
+
+
+def test_get_chat_renders_shell_with_host_bot_name(client, tmp_path):
+    _seed_chat(tmp_path / "test.db")
+    response = client.get("/chats/chat_bot_a")
+    assert response.status_code == 200
+    body = response.text
+    assert "BotA" in body
+    assert "<form" in body  # turn input form
+    assert "drawer" in body.lower()  # drawer present
+    assert "no turns yet" in body.lower()  # empty timeline placeholder
+
+
+def test_get_chat_includes_turn_post_action(client, tmp_path):
+    _seed_chat(tmp_path / "test.db")
+    response = client.get("/chats/chat_bot_a")
+    assert response.status_code == 200
+    assert 'action="/chats/chat_bot_a/turns"' in response.text
+
+
+def test_get_chat_shows_chat_clock_time(client, tmp_path):
+    _seed_chat(tmp_path / "test.db")
+    response = client.get("/chats/chat_bot_a")
+    assert response.status_code == 200
+    assert "2026-04-26" in response.text