routines: document suggest-respond, suggest-state + reframe description
Two user-facing commands existed in think/tools/routines.py (lines 395-442)
but were absent from the skill: suggest-respond (record accept/decline on
a routine suggestion) and suggest-state (print raw suggestion state).
Add both to the command table and a short "Responding to suggestions"
section. Also add a Gotchas block (IANA timezone requirement, suggestion
idempotency). Reframe description from infrastructure framing
("create, manage, and inspect") to task framing ("set up recurring
routines — daily briefings, weekly reviews..."). Expand TRIGGER with
literal command names.
Part of skills audit req_loq3e2lk pass 1+2.