try: integrating opencode

Removed termux-specific command, kept only a note

update agents.md

Shorten LiveView patterns in AGENTS.md

Fix LiveView UI functionality and document patterns

Update NEXT_STEPS.md to remove SQLite note

Update platform notes in IMPLEMENTATION.md

Revise platform notes and commit message format

Update docs: remove SQLite NIF issue from roadmap (Termux-specific, not production concern); clarify platform targets in AGENTS.md

Update documentation for AI agents: rewrite AGENTS.md as comprehensive context file, add references from other .md files

Incomplete .md files uodate

Add AGENTS.md contributor guide with project structure, coding style, testing, and PR guidelines

Fix compilation errors: group handle_info clauses, fix class list syntax, fix EEx interpolation

Add OpenCode CLI setup script and simplified next steps plan

Redesign UI to match Jan.ai interface: sidebar navigation, chat view, agent selector