refs #701: load console profile overrides from dotenv

poc4_active_source_20260714/src/agent_console/profile.py

@@ -61,17 +61,38 @@ def resolve_profile_path(default_path: Path) -> Path:
     return path if path.is_absolute() else default_path.parent / path
 
 
-def _apply_environment_overrides(profile: AppProfile) -> AppProfile:
+def _dotenv_value(name: str, path: Path | None) -> str:
+    """Read one simple KEY=value runtime setting without importing a dotenv lib."""
+
+    if path is None:
+        return ""
+    try:
+        lines = path.read_text(encoding="utf-8").splitlines()
+    except (OSError, UnicodeError):
+        return ""
+    prefix = f"{name}="
+    for line in lines:
+        stripped = line.strip()
+        if stripped.startswith(prefix):
+            return stripped[len(prefix) :].strip().strip('"').strip("'")
+    return ""
+
+
+def _apply_environment_overrides(profile: AppProfile, env_file: Path | None) -> AppProfile:
     """Apply deployment-specific presentation values without a code change."""
 
     values = {
-        field_name: os.environ.get(env_name, "").strip() or getattr(profile, field_name)
+        field_name: (
+            os.environ.get(env_name, "").strip()
+            or _dotenv_value(env_name, env_file)
+            or getattr(profile, field_name)
+        )
         for field_name, env_name in _ENV_FIELD_NAMES.items()
     }
     return AppProfile(**values)
 
 
-def load_app_profile(default_path: Path) -> AppProfile:
+def load_app_profile(default_path: Path, env_file: Path | None = None) -> AppProfile:
     """Load the selectable product skin without coupling it to a PoC name."""
 
     path = resolve_profile_path(default_path)
@@ -101,7 +122,7 @@ def load_app_profile(default_path: Path) -> AppProfile:
         text_color=_string(theme, "text_color"),
         muted_color=_string(theme, "muted_color"),
         border_color=_string(theme, "border_color"),
-    ))
+    ), env_file)
     required = (
         profile.product_name,
         profile.short_name,