v0.13.0

What's Changed

• fix: capture plugin stderr for crash diagnostics (#515)
• fix: decode multi-byte UTF-8 in RawEventSource for pasted non-ASCII text (#517)
• docs: add plugin capability matrix (protocol v2 audit) (#516)
• fix: embed bundled plugin binaries at compile time (#513)
• refactor: remove cfg!(test) forks in request_open_file/diff/git-status (#512)
• fix: remove dead markdown-core feature and in-app markdown rendering (#514)
• Empty content pane gives no orientation hint for first-time users (#505)
• fix: per-root session files to eliminate concurrent-instance race (#504)
• fix: install panic hook to restore terminal on panic (#457) (#502)
• fix: bound blame cache to 16 entries with LRU eviction (#503)
• fix: use git status --porcelain -z to handle non-ASCII paths correctly (#501)
• fix: parse modifier params in CSI ~ and SGR mouse sequences (#455) (#500)
• fix: prevent UI thread blocking on exact-4096 input bursts (#456) (#493)
• fix: external file truncation SIGBUS (#459) (#494)
• ci: fix change-detection gates still referencing old name tv.toml (#492)
• feat: live preview in theme picker (#451) (#488)
• feat(help): make help overlay scrollable (#476)
• docs(roadmap): add language-intelligence pillar and plugin-system hardening (#484)
• fix: remove redundant root slash in breadcrumb render (#474)
• docs: add product roadmap page (pillars, sequencing, epics) (#475)
• fix: clean up retired shell-script plugins on upgrade (#297) (#463)
• fix: raise plugin stdout line cap so large rendered docs aren't dropped (#448)
• fix: color gitignored files when ignore_gitignore = true (#446) (#447)
• feat(help): add Git section to the in-app help overlay (#445)
• docs: add Homebrew installation instructions (#444)
• chore: bump Homebrew formula to v0.12.0 [skip ci]