Changelog

All notable changes to Zirkabot.

Versions follow CalVer: YYYY.M.DD-patch

2026.03.17-2 — 2026-03-17

Browser per-agent isolation: Each agent gets its own browser profile with separate Chrome instance — no more tab conflicts between agents
Context limit guard: Telegram notification when a session approaches the context window limit, plus auto-save of uncommitted workspace changes

Updated default context window from 200K to 1M tokens for Claude Opus 4.6
Default model (Claude Opus 4.6) now correctly uses its full 1,000,000 token context window

WebGL stealth — no longer hardcodes Intel GPU; passes through real GPU values unless headless (SwiftShader/llvmpipe) is detected. Fixes CreepJS cross-reference mismatch (stealth score 40% → 20%)

Browser Flow Recorder — capture clicks, typing, navigation in Chrome relay; smart selector generation
Franchise skill — 1,341 lines covering FDD, franchise law, unit economics, operations manuals

Relay stealth system with configurable levels (off/light/full) via browser.relayStealth config
19 browser fingerprint protections:
- Canvas noise, WebGL vendor/renderer masking, WebRTC leak prevention
- Battery API normalization, hardware fingerprint consistency
- Visibility state masking, window.chrome stub
- Function.toString() disguise, Performance.now() precision reduction
- Error stack trace cleanup, iframe contentWindow consistency
Mouse humanization: idle jitter, double-click patterns, Bézier cursor movement, hover dwell
Typing humanization: context-aware cadence with digraph detection, thinking pauses
Scroll humanization: breaks large scrolls into natural incremental wheel events
Fingerprint masking applied automatically on browser startup