release: bump Electron version to 0.11.0

Merge branch 'openrouter'

Merge remote-tracking branch 'origin/main' into openrouter

feat: OpenRouter provider integration with browse/add model marketplace

docs: document project agent storage redesign

feat: project agent storage redesign — dedicated directories with prompt.md + reference docs

fix: final review — path traversal, reconcile ordering, transaction safety, immutable handles

docs: add provider usage cache and cleanup sentinel to CONFIGURATION.md tree

feat: WP10 — per-agent reference documents

test: WP11 — test hardening for project agent storage

feat: WP7 — config fetch API, UI settings migration, handle input

feat: WP8 — boot reconciliation for project agent storage

fix: WP5+6 review fixes — snapshot compat, handle rename cleanup, empty prompt.md

feat: WP5+WP6 — dual-write mutations + prompt.md resolution

feat: WP3 — project-agent-storage module with CRUD and boot reconciliation