Establish operating rhythm (BINKY-WP-0002-T05)

OperatingRhythm.md (daily brief format, queue hygiene, weekly review),
AutopilotWorkQueue.md seeded with 6 evergreen items, first daily brief
written for 2026-07-16.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

OperatingRhythm.md

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+# Operating Rhythm
+
+> Status: v0 — 2026-07-16 (BINKY-WP-0002-T05). The cadence that keeps the
+> control plane honest. Blue lane: agents run it; the founder consumes it.
+
+## Daily brief
+
+One brief per active day, written by whichever agent closes the day's work,
+stored in `briefs/YYYY-MM-DD-daily-brief.md`. Hard cap: one screen. Format:
+
+```markdown
+# Daily Brief — <date>
+
+## Decide now          (0–3 items, each linked to DecisionQueue)
+## Progress            (what moved, milestone-relevant only)
+## Risks               (changes to RiskRegister only — no restating)
+## Best next hour      (single highest-leverage founder action)
+```
+
+Rules:
+- **Decide now** only lists prepared decision packages. Never raw questions.
+- **Best next hour** is one item. If nothing needs the founder, say so —
+  "no founder action needed today" is a valid and desirable outcome.
+- Anything that can't fit the cap goes into a queue, not the brief.
+
+## Queue hygiene (every agent session touching this repo)
+
+1. `DecisionQueue.md` — resolved items moved to the log; nothing older than
+   14 days without escalation (RISK-003 rule).
+2. `OfficeHourQueue.md` — every queued item has prepared material before the
+   next command day; stale items pruned.
+3. `AutopilotWorkQueue.md` — never empty; agents with idle capacity pull from
+   the top.
+4. Workplan files match hub state (fix-consistency covers drift).
+
+## Weekly review (founder, ~15 min)
+
+Read the newest brief + `SuccessMilestones.md`. One question: did anything
+move a milestone? If two consecutive weeks show activity without milestone
+movement, RISK-005 escalates.