LiveCanvas AI Bridge 0.2.0-beta.3.6

OpenCode connection hotfix.\n\n- Replaces the incomplete raw npx command with a complete project-scoped setup command.\n- Creates or updates opencode.json in the current project instead of writing a global OpenCode MCP entry.\n- Includes the secure AI Bridge site URL, fingerprint, project label, agent identity, and pairing scopes.\n- Preserves unrelated JSON settings and creates opencode.json.lcfa-backup before updating an existing file.\n- Keeps Download opencode.json as the manual fallback.\n- Includes regression tests and a validated WordPress plugin ZIP.\n\nThe MCP runtime remains pinned to @livecanvas/ai-bridge-mcp@0.2.0-beta.3.