- Replaced fromTypeBox conversion with a JSON-schema validator flow in ai tool handling and execution paths.
- Added recursive schema validation and expanded TypeBox checks for refs, enums, uniqueItems, and constraint keywords.
- Sanitized Azure/CCA tool schemas by dropping unsupported fields and rewriting oneOf tool branches as anyOf.
- Tightened argument and model-config validation, preserving unknown tool fields and adding apiKey plus compatibility flags.
- Added canonical `pi.zod` schema API exports and removed TypeBox package exports/imports.
- Migrated Tool schema typing from TypeBox to shared `TSchema`/Zod flow with legacy TypeBox compatibility.
- Updated AI provider adapters and MCP/agent builders to convert tool params through `toolWireSchema()`.
- Reworked schema validation from AJV to Zod-safe parsing with `fromTypeBox`, `toolWireSchema`, and meta schema checks.
The task description prompt was compressed in c6cab807d — the explicit 'Current input mode' and 'Every assignment must stand on its own.' phrasings are gone. Replace those literal-string assertions with checks against the rendered mode-dependent content that actually differentiates the modes ('context` or `assignment`' for schema-free, 'each `assignment`' for independent). Mode-driven schema differences remain covered by the surrounding parameter-bullet assertions.
- Reworked `idle-iterator` to replace the first-event watchdog wrapper with a shared timeout handle passed through stream iteration.
- Updated Anthropic and OpenAI/Azure response-completion streams to pass the watchdog into `iterateWithIdleTimeout` and rely on unified first-event timeout logic.
- Raised the default first-stream-event timeout from 60 seconds to 100 seconds.
- Added task.simple to settings and schema with default, schema-free, and independent modes.
- Added mode-aware task schema and validation to enforce context/schema rules per simple mode.
- Updated prompts and template rendering to tailor headers and guidance for each simple mode.
- Added simple-mode capabilities and updated TaskTool execution for mode-aware context behavior.
- Added tests for independent rendering and mode-specific rejection of invalid context or schema inputs.
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