v0.34.0

Changelog

• 3abbe89 docs(skills): optimize agent skill frontmatter, trigger descriptions, decision matrices, and gotchas
• 1640c43 feat: centralized configuration, tool diagnostics, Cobra CLI, and engine hardening (RFC-0001, ADR-0001)
• 46e3259 feat: enforce pure JSON CLI payloads, upgrade golangci-lint v2.12.2, clean Makefile, and polish release items
• b0970bb fix(installer): extract release binary from bin/godoctor archive path
• a86e849 fix: fail-fast on download error in install.sh and refine debug.ReadBuildInfo
• 62bdcd4 revert(smart_edit): keep file-directory scope for verification and remove findModuleRoot