Enhance robustness and error handling across backend and frontend - #267
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Suppress console window for llama.cpp runtime on Windows
Validate incoming HTTP bodies and origins: read_body now returns None for valid JSON that is not an object and get_request_content_length rejects Transfer-Encoding (501). Handlers return a 400 for malformed/invalid JSON. Harden get_request_host_origin against malformed Host ports (avoid ValueError). Use build_http_origin when composing URLs so IPv6 hosts are bracketed across backend services, tunnel args, app messages and the API tab UI. Also read preset files as UTF-8 and add/adjust unit tests and docs to cover these behaviors.
Print real exceptions to stderr and sanitize user-facing error text across several routes and services (hf_download, web_search, tunnel, status, file_picker). Move file-picker initial_dir.mkdir into the protected block so directory creation failures are handled and logged. Preserve existing config keys (e.g. external_chat_target) when rewriting config.json by loading, updating, and saving instead of overwriting. Update unit tests and docs to assert stderr logging and the preserved config behavior. Files touched: backend/routes/*, backend/services/*, tests/backend/*, and docs/code-review-2026-07-29.md.
Set Jinja templates default to enabled and add --no-jinja false_flag; remove unsupported apply_diff tool option. Enforce chat-template XOR so a custom template file wins over a builtin name and add UI handling to display unknown builtin template names in dropdowns. Use Number/Number.isFinite for numeric parsing (preserve exponent notation). Prevent stray empty assistant bubble on empty chat responses. Add console.debug to previously silent catches. Update frontend unit/e2e tests and sync AGENTS/docs to reflect fetchJson behavior and the other fixes.
Add two new docs: a full-repo code-review (code-review-swarm-2026-07-29.md) and its independent verification (code-review-swarm-2026-07-29-verification.md). Update tests/backend/test_services.py to supply an io.BytesIO as the HTTPError body and assert the body is closed after probing — preventing an open stream leak and aligning the test with expected cleanup behavior.
Multiple hardening fixes across backend and frontend: - backend: sanitize handler exceptions and track Response.started; bench route serializes wikitext2 extraction with .part file and size checks; hf download verifies Content-Length; send_input no longer holds process_lock, writes via bounded thread. - frontend: avoid clobbering focused flag/quick-launch inputs, pass force on wholesale flag applies, await stream aborts in chat, tolerate transient benchmark output failures. - Add .gitattributes eol pins and tests verifying the changes.
Multiple fixes across backend and frontend: add guards to proxy streaming to avoid double responses; centralize install-slot claim/release in process_manager and make cleanup/launch respect it; move slow runtime validation outside locks and recheck state; make git invocations non-blocking with timeout and env; detach restart child on POSIX/Windows; install into staged dirs and atomic swap to avoid losing installs; tighten public-hostname checks. Frontend: add quoteArg for command preview, fix hf-download stall logic, avoid caching failed preset loads, handle case-insensitive preset collisions, and expose/save sampler preset API. Tests and release packaging updated accordingly.
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