docs: Add missing source files to architecture docs (#150)

.prompts/docs-review.md

@@ -59,18 +59,20 @@ Check:
 - Config file search order is accurate
 - Example YAML would actually work
 
-### 4. Verify docs/architecture.md
+### 4. Verify docs/architecture.md and CLAUDE.md
 
 ```bash
 # What source files actually exist?
 git ls-files "src/**/*.py"
 ```
 
-Check:
+Check **both** `docs/architecture.md` and `CLAUDE.md` (Architecture section):
 - Listed files exist
 - No files are missing from the list
 - Descriptions match what the code does
 
+Both files have architecture listings that can drift independently.
+
 ### 5. Check Examples
 
 For examples in any doc:

CLAUDE.md

@@ -20,15 +20,17 @@ src/compose_farm/
 │   ├── monitoring.py  # logs, ps, stats commands
 │   ├── ssh.py         # SSH key management (setup, status, keygen)
 │   └── web.py         # Web UI server command
-├── config.py          # Pydantic models, YAML loading
 ├── compose.py         # Compose file parsing (.env, ports, volumes, networks)
+├── config.py          # Pydantic models, YAML loading
 ├── console.py         # Shared Rich console instances
 ├── executor.py        # SSH/local command execution, streaming output
-├── operations.py      # Business logic (up, migrate, discover, preflight checks)
-├── state.py           # Deployment state tracking (which stack on which host)
+├── glances.py         # Glances API integration for host resource stats
 ├── logs.py            # Image digest snapshots (dockerfarm-log.toml)
+├── operations.py      # Business logic (up, migrate, discover, preflight checks)
 ├── paths.py           # Path utilities, config file discovery
+├── registry.py        # Container registry client for update checking
 ├── ssh_keys.py        # SSH key path constants and utilities
+├── state.py           # Deployment state tracking (which stack on which host)
 ├── traefik.py         # Traefik file-provider config generation from labels
 └── web/               # Web UI (FastAPI + HTMX)
 ```

docs/architecture.md

@@ -351,3 +351,11 @@ Integration with [Glances](https://nicolargo.github.io/glances/) for real-time h
 - Fetches CPU, memory, and load from Glances REST API on each host
 - Used by web UI dashboard to display host resource usage
 - Requires `glances_stack` config option pointing to a Glances stack running on all hosts
+
+### Container Registry Client (`src/compose_farm/registry.py`)
+
+OCI Distribution API client for checking image updates:
+
+- Parses image references (registry, namespace, name, tag, digest)
+- Fetches available tags from Docker Hub, GHCR, and other registries
+- Compares semantic versions to find newer releases

docs/commands.md

@@ -73,7 +73,7 @@ cf apply [OPTIONS]
 | `--dry-run, -n` | Preview changes without executing |
 | `--no-orphans` | Skip stopping orphaned stacks |
 | `--no-strays` | Skip stopping stray stacks (running on wrong host) |
-| `--full, -f` | Also refresh running stacks |
+| `--full, -f` | Also run up on all stacks (applies compose/env changes, triggers migrations) |
 | `--config, -c PATH` | Path to config file |
 
 **What it does:**
@@ -98,7 +98,7 @@ cf apply --no-orphans
 # Don't stop stray stacks
 cf apply --no-strays
 
-# Also refresh all running stacks
+# Also run up on all stacks (applies compose/env changes, triggers migrations)
 cf apply --full
 ```