diff --git a/src/__init__.py b/src/__init__.py
index e69de29..82589ce 100644
--- a/src/__init__.py
+++ b/src/__init__.py
@@ -0,0 +1 @@
+"""Timmy Time Dashboard — source root package."""
diff --git a/src/config.py b/src/config.py
index 140413e..aa09e72 100644
--- a/src/config.py
+++ b/src/config.py
@@ -1,3 +1,8 @@
+"""Central pydantic-settings configuration for Timmy Time Dashboard.
+
+All environment variable access goes through the ``settings`` singleton
+exported from this module — never use ``os.environ.get()`` in app code.
+"""
 import logging as _logging
 import os
 import sys
diff --git a/src/dashboard/models/calm.py b/src/dashboard/models/calm.py
index 8bb8d37..84817d1 100644
--- a/src/dashboard/models/calm.py
+++ b/src/dashboard/models/calm.py
@@ -1,3 +1,4 @@
+"""SQLAlchemy ORM models for the CALM task-management and journaling system."""
 from datetime import UTC, date, datetime
 from enum import StrEnum
 
diff --git a/src/dashboard/models/database.py b/src/dashboard/models/database.py
index 7bb28a0..1233e82 100644
--- a/src/dashboard/models/database.py
+++ b/src/dashboard/models/database.py
@@ -1,3 +1,4 @@
+"""SQLAlchemy engine, session factory, and declarative Base for the CALM module."""
 import logging
 from pathlib import Path
 
diff --git a/src/dashboard/routes/agents.py b/src/dashboard/routes/agents.py
index 455ca00..dab6dae 100644
--- a/src/dashboard/routes/agents.py
+++ b/src/dashboard/routes/agents.py
@@ -1,3 +1,4 @@
+"""Dashboard routes for agent chat interactions and tool-call display."""
 import json
 import logging
 from datetime import datetime
diff --git a/src/dashboard/routes/calm.py b/src/dashboard/routes/calm.py
index 6a8eef2..6739f5b 100644
--- a/src/dashboard/routes/calm.py
+++ b/src/dashboard/routes/calm.py
@@ -1,3 +1,4 @@
+"""Dashboard routes for the CALM task management and daily journaling interface."""
 import logging
 from datetime import UTC, date, datetime
 
diff --git a/src/integrations/chat_bridge/vendors/__init__.py b/src/integrations/chat_bridge/vendors/__init__.py
index e69de29..7c357e2 100644
--- a/src/integrations/chat_bridge/vendors/__init__.py
+++ b/src/integrations/chat_bridge/vendors/__init__.py
@@ -0,0 +1 @@
+"""Vendor-specific chat platform adapters (e.g. Discord) for the chat bridge."""
diff --git a/src/timmy/cli.py b/src/timmy/cli.py
index b05a249..63ee973 100644
--- a/src/timmy/cli.py
+++ b/src/timmy/cli.py
@@ -1,3 +1,4 @@
+"""Typer CLI entry point for the ``timmy`` command (chat, think, status)."""
 import asyncio
 import logging
 import subprocess
diff --git a/src/timmy/sovereignty/perception_cache.py b/src/timmy/sovereignty/perception_cache.py
index fe0df9b..4c69a30 100644
--- a/src/timmy/sovereignty/perception_cache.py
+++ b/src/timmy/sovereignty/perception_cache.py
@@ -1,3 +1,4 @@
+"""OpenCV template-matching cache for sovereignty perception (screen-state recognition)."""
 from __future__ import annotations
 
 import json