feat: load editable prompts from markdown

tests/test_config.py

@@ -17,6 +17,8 @@ bot_token = "bot-token"
 admin_user_ids = [42]
 [brave]
 api_key = "brave-key"
+[prompts]
+file_path = "prompts.md"
 [schedule]
 timezone = "Europe/Warsaw"
 times = ["09:00", "21:00"]
@@ -31,26 +33,45 @@ max_leverage = 3
 database_path = "state.db"
 """
 
+PROMPTS = """# Prompts
+## master_prompt
+Master prompt.
+## run_prompt
+Run prompt.
+"""
+
+
+def write_config(tmp_path: Path, content: str = CONFIG) -> Path:
+    path = tmp_path / "config.toml"
+    path.write_text(content, encoding="utf-8")
+    (tmp_path / "prompts.md").write_text(PROMPTS, encoding="utf-8")
+    return path
+
 
 def test_loads_and_resolves_database_path(tmp_path: Path):
-    path = tmp_path / "config.toml"
-    path.write_text(CONFIG, encoding="utf-8")
+    path = write_config(tmp_path)
     config = load_config(path)
     assert config.deepseek.model == "deepseek-flash"
     assert config.telegram.admin_user_ids == frozenset({42})
     assert config.storage.database_path == tmp_path / "state.db"
+    assert config.prompts.file_path == tmp_path / "prompts.md"
 
 
 def test_rejects_risk_above_hard_limit(tmp_path: Path):
-    path = tmp_path / "config.toml"
-    path.write_text(CONFIG.replace("max_leverage = 3", "max_leverage = 4"), encoding="utf-8")
+    path = write_config(tmp_path, CONFIG.replace("max_leverage = 3", "max_leverage = 4"))
     with pytest.raises(ConfigError, match="max_leverage"):
         load_config(path)
 
 
 def test_rejects_non_official_deepseek_endpoint(tmp_path: Path):
-    path = tmp_path / "config.toml"
     changed = CONFIG.replace("api_key = \"deepseek-key\"", 'api_key = "deepseek-key"\nbase_url = "https://example.com"', 1)
-    path.write_text(changed, encoding="utf-8")
+    path = write_config(tmp_path, changed)
     with pytest.raises(ConfigError, match="base_url"):
         load_config(path)
+
+
+def test_rejects_missing_prompts_file(tmp_path: Path):
+    path = tmp_path / "config.toml"
+    path.write_text(CONFIG, encoding="utf-8")
+    with pytest.raises(ConfigError, match="Prompts file not found"):
+        load_config(path)