docs: update README, TODO, and deployment docs

README: Added hierarchical routing, classifier bucket mapping, two-level
dispatch, model groups table, DeepSeek language note, deploy script, and
updated model names to match current models.dev registry.

TODO: Added 15 completed items covering model groups, routing, dispatch,
and provider fixes from May 7 session.

deployment.md: Added deploy.sh instructions.

TODO.md

@@ -15,11 +15,24 @@
 - [x] Dashboard Analytics & Usage Summary (Fixed SQL robustness)
 - [x] WebSocket for real-time dashboard updates (Hub with client counting)
 - [x] Asynchronous Request Logging to SQLite
-- [x] Update documentation (README, deployment, architecture)
 - [x] Cost Tracking accuracy (Registry integration with `models.dev`)
 - [x] Model Listing endpoint (`/v1/models`) with provider filtering
 - [x] System Metrics endpoint (`/api/system/metrics` using `gopsutil`)
 - [x] Fixed dashboard 404s and 500s
+- [x] Model groups with heuristic and classifier routing strategies
+- [x] Hierarchical routing — groups can target other groups with cycle detection
+- [x] Classifier bucket mapping via complexity_threshold (1-10 scale -> N targets)
+- [x] Two-level dispatch — classifier router delegates to tier groups
+- [x] Model groups exposed in /v1/models endpoint (owned_by: gophergate)
+- [x] logic_level and primary_use metadata on model groups
+- [x] Model group CRUD dashboard page
+- [x] dispatcher, heavy-logic, standard-pro, fast-flow seed groups
+- [x] Provider selection moved after routing resolution (fixes group routing)
+- [x] Classifier selector model routed to correct provider (selectProvider)
+- [x] DeepSeek English system prompt injection (ensureEnglish)
+- [x] Deploy script (deploy.sh)
+- [x] Recent Activity pane shows resolved model + group annotation
+- [x] Model names aligned with models.dev registry
 
 ## Planned Resolutions (High Priority)