Sprint 233 Plan: Semantic-Aware Task Decomposition Bridge

Goal

Ensure semantic planning packets materially affect task decomposition instead of only being logged.

Step 2205: Add semantic packet -> intake augmentation pass to improve fallback intake quality.
Step 2206: Add semantic requirement injection into normalized requirement set before taskitem generation.
Step 2207: Add semantic task expansion bridge to derive additional constrained tasks from semantic requirements.
Step 2208: Emit semantic bridge telemetry in pipeline summary (semantic_requirement_injection, semantic_task_expansion).
Step 2209: Run A/B pipeline comparison (semantic bridge off vs on) and record deltas.
Step 2210: Add Sprint233IntegrationSummary.h.