Ramnique Singh f546d1ad59 feat(x): teach copilot when to spawn sub-agents; fence shared surfaces ... The spawn-agent tool shipped with mechanics but no judgment layer — the only guidance was the tool description. This adds the ambient decision heuristics and closes a child-profile hole. - Copilot system prompt gains a "Sub-Agents (parallel & heavy work)" section (same strong/anti signal structure as Background Tasks): the organizing principle is context hygiene — a sub-agent's reads and fetches never enter the main conversation, only its distilled answer. Research-shaped requests (catch-me-up, dig-into, meeting prep) now route through sub-agents by default, with copilot as synthesizer. Anti-signals: single quick lookups, journeys-as-answer, anything needing mid-task user input, driving shared surfaces. - Background-task agent gets a matching (shorter) note — children have their own model-call budgets, so a bg-task covers more ground per run by fanning out. - The inline default child profile now also excludes app-navigation and browser-control: both drive shared visible surfaces (the UI the user is watching; the single embedded browser pane), which headless or parallel children would corrupt, not just clutter. Still available via explicit tools selection. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>		2026-07-09 06:20:38 +05:30
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core	feat(x): teach copilot when to spawn sub-agents; fence shared surfaces	2026-07-09 06:20:38 +05:30
shared	feat(x): spawn-agent — run sub-agents as headless child turns	2026-07-08 23:31:41 +05:30