Replace isExtendedThinkingModel() model-name check with hasSignedThinkingBlocksInHistory()
which scans message history for real Anthropic-signed thinking blocks.
Content-based gating is more robust than model-name checks — works correctly
with custom model IDs, proxied models, and new model releases without code changes.
- Add isSignedThinkingPart() that matches type thinking/redacted_thinking with valid signature
- Skip synthetic parts (injected by previous hook runs)
- GPT reasoning blocks (type=reasoning, no signature) correctly excluded
- Add comprehensive tests: signed injection, redacted_thinking, reasoning negative case, synthetic skip
Inspired by PR #2653 content-based approach, combined with redacted_thinking support from 0732cb85.
Ultraworked with Sisyphus
Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
- Registry-based model family detection (provider-agnostic)
- Variant and reasoningEffort ladder downgrade logic
- Three-tier resolution: metadata override → family heuristic → unknown drop
- Comprehensive test suite covering all model families
Add support for object-style entries in fallback_models arrays, enabling
per-model configuration of variant, reasoningEffort, temperature, top_p,
maxTokens, and thinking settings.
- Zod schema for FallbackModelObject with full validation
- normalizeFallbackModels() and flattenToFallbackModelStrings() utilities
- Provider-agnostic model resolution pipeline with fallback chain
- Session prompt params state management
- Fallback chain construction with prefix-match lookup
- Integration across delegate-task, background-agent, and plugin layers
Reuse signed Anthropic thinking blocks only when they can still sort before the target message's parts, otherwise skip recovery instead of reintroducing invalid loops.
Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)
Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
- Add missing clearSessionState() call after successful summarize (line 117)
Without this, retry state persisted even after success, potentially causing
unnecessary retries on subsequent compaction events.
- Fix timing-sensitive test: adjust attempt=0 and firstAttemptTime to give
proper remainingTimeMs buffer for capped delay calculation.
Fixes#2225
Supersedes #2671
- #2741: Pass inheritedModel as fallback in subagent-resolver when user hasn't
configured an override, ensuring custom provider models take priority
- #2648: Fix getPlanProgress to treat plans with 0 checkboxes as incomplete
instead of complete (total > 0 && completed === total)
- #2779: Relax Hephaestus single-task guard to accept multi-step sub-tasks
from Atlas delegation, only rejecting genuinely independent tasks
Fixes#2741, fixes#2648, fixes#2779
Oracle's <promise>VERIFIED</promise> arrives as a tool_result part from the
task() tool call, not as a text part. Both detectCompletionInSessionMessages
and collectAssistantText only scanned type=text parts, missing the
verification signal entirely. This caused ulw loops to fail verification
even when Oracle successfully emitted VERIFIED.
Include tool_result parts in promise detection alongside text parts.
Exclude tool_use parts to avoid false positives from instructional text.
Oracle's <promise>VERIFIED</promise> arrives as a tool_result part from the
task() tool call, not as a text part. Both detectCompletionInSessionMessages
and collectAssistantText only scanned type=text parts, missing the
verification signal entirely. This caused ulw loops to fail verification
even when Oracle successfully emitted VERIFIED.
Include tool_result parts in promise detection alongside text parts.
Exclude tool_use parts to avoid false positives from instructional text.
Ravi Tharuma