- Redesigned the Todo HUD as a connector tree with fixed-budget stage previews.
- Anchored status and HUD containers to prevent redundant UI elements in terminal scrollback.
- Implemented tree-based rendering for project phases and tasks while removing dynamic border rules.
- Upgraded `sherpa-onnx` and related packages to support current infrastructure.
- Implemented the Devin inference provider, including OAuth flow with PKCE, Connect protocol integration, and streaming support for chat requests.
- Integrated comprehensive Protobuf-based service definitions and generated TypeScript clients for Devin's API infrastructure, including model management and workspace operations.
- Updated the AI and Catalog modules to support dynamic model discovery, provider-specific configuration, and authentication.
- Standardized tool call arguments as `Record<string, unknown>` across provider implementations to ensure type safety.
- Replaced `partial-json` with a high-performance `RelaxedJson` parser capable of handling LLM-specific malformations.
- Enabled native support for unquoted keys, single quotes, comments, and Python literals (`True`/`False`/`None`).
- Improved streaming robustness by rejecting non-finite numbers (NaN/Infinity) and rolling back incomplete trailing tokens.
- Optimized tool-call execution by ensuring malformed or truncated arguments are skipped instead of surfaced as undefined/NaN.
- Added comprehensive test suite for both strict repair parsing and partial streaming scenarios.
- Overhauled stealth spoofing mechanisms for WebGL, screen dimensions, Web workers, and iframe contexts using prototype-aware injection.
- Centralized function string representation patching to improve mimicry of native browser behavior across global objects.
- Patched puppeteer-core to remove detectable evaluation markers and implement lazy, pull-style execution context management.
- Enabled support for capturing LLM request JSON dumps and adjusted launcher flags to improve organic request patterns.
- Preserved fastembed's transitive ONNX Runtime instead of forcing an ABI-mismatched runtime cache install.\n- Repaired stale fastembed model caches by downloading missing tokenizer sidecars from the matching Hugging Face model repo.\n- Added regression coverage for the runtime install plan and tokenizer sidecar repair.\n\nFixes #3054
- Removed the `fflate` dependency in favor of using `node:zlib` for ZIP operations.
- Updated documentation and internal code comments to reflect the transition to native `node:zlib` DEFLATE support.
- Added native support for parsing, normalized validation, and serialization of ArkType schemas throughout the agent pipeline.
- Implemented pruning of unconstrained union branches and normalization helpers to handle unrepresentable strict-mode branches.
- Patched ArkType's schema package to preserve declared object key order during serialization.
- Integrated ArkType schemas into `agent-loop` and migrated coding agent tool parameters to ArkType format.
This change introduces a new `openrouter` API type and extensively refactors OpenAI-family streaming providers, centralizing shared logic and improving robustness.
Key changes include:
- **Unified OpenAI-family Logic:** Consolidated core utilities, compat resolution, request shaping, and stream processing into `openai-shared.ts`, reducing duplication across `openai-completions`, `openai-responses`, and `openai-codex-responses`.
- **OpenRouter API Type:** Introduced a dedicated `openrouter` API type with dual-surface compatibility, allowing it to dispatch requests as either OpenAI Chat Completions or Responses.
- **Enhanced Provider Integration:**
- Improved Perplexity search to leverage shared OpenAI streaming transports, including API-key fallback to OpenRouter and support for Perplexity's Responses API.
- Integrated xAI-specific logic directly into the shared `stream.ts` dispatch, removing the dedicated `xai-responses` provider.
- Refined credential parsing for Google Gemini CLI and handling of Azure deployment names.
- **Robustness & Consistency:** Improved error handling for Codex, standardized output token parameter resolution, and ensured consistent application of reasoning suppression across all Chat Completions dialects.
- **New Documentation:** Added `provider-endpoint-constraints.md` to detail endpoint-specific behaviors and quirks for various providers.
- **Telemetry & Debugging:** Extended telemetry propagation to advisor calls and overflow compaction tasks. Improved debugging for Codex WebSocket failures and stream error messages.
- **Tooling & Security:** Updated browser stealth scripts to prevent detection and added a new `ts-no-inline-cast-access` TTSR rule.
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