docs: slim down AGENTS.md to essentials

feat: add attach tool for sending files back to users via Telegram

Merge pull request #7 from eddmann/claude/fix-memory-flush-leak-0EKBu

fix: pass original totalTokens to compactAndSync, remove dead flushTokens

fix: isolate memory flush messages from main agent history

Merge pull request #6 from eddmann/claude/replace-duckduckgo-exa-ZYM5K

fix: increase Exa context limit to 10,000 chars per result

feat: limit Exa search context to 1024 chars per result

feat: replace DuckDuckGo with Exa AI for web search

Merge pull request #5 from eddmann/claude/secure-telegram-chat-XCgJ0

fix: reject Telegram messages from unauthorized chats

fix: keep compacted history ending with user message

feat(skills): add pages skill for dynamic web dashboards

refactor: unify flush-compaction threshold margin and docs

fix: apply lint formatting for flush and agent tests