docs(r2): closure ledger — include_str bridge row + aggregate split

docs/r2-closure-ledger.md

@@ -144,7 +144,8 @@ Granularity column distinguishes whether the row tracks a full lane, a sub-lane,
 | **R3-continuation: T-LensProducer-Retirement** | lane (3 internal sub-gates) | one program; sub-gate granularity per Director cascade Item 8 | `lens_producer_retirement_subgate_1_structural` + `lens_producer_retirement_subgate_2_structural` + `lens_producer_retirement_subgate_3_structural` | not-started | — | **Reports as one row with three sub-gates, NOT three lanes** (per dispatch directive). |
 | **R3-continuation: T-FixedPoint** | sub-gate progress | fixed-point lane | tracked in R3 ledger at standup | not-started | — | Evaluator-gated. |
 | **R3-continuation: T-Tier3-Dissolution** | sub-gate progress | Tier 3 dissolution at R3 scope | tracked in R3 ledger at standup | not-started | — | Evaluator-gated. |
-| **R3-continuation: 3 distributed bridge retirements** | sub-gate progress | 3 PB-side bridges from T-Bridge-Retirement distribution map | tracked in R3 ledger at standup | in-flight | #1171, #1183, #1192 | **PB-side slices landed:** pipeline `include_str` side channel (#1171); canonical lens-name dispatch (#1183); lower-helper `patch_lower_helpers_*` residual ratchet (#1192). Unified Verification gate **`bridge_retirement_ledger_zero`** remains **R3 / Verification Manager** — row stays **in-flight** until that ledger fires, not **green** here. |
+| **R3-continuation: 3 distributed bridge retirements** | sub-gate progress | Aggregate PB-side bridges from T-Bridge-Retirement distribution map (**narrow landed slices** vs outstanding **`include_str`** bridge — split below) | tracked in R3 ledger at standup | in-flight | #1183, #1192, #1171 (suspend), [#1282](https://github.com/gunb-ai/gunbc/pull/1282) | **Narrow slices landed:** canonical lens-name dispatch (#1183); lower-helper `patch_lower_helpers_*` residual ratchet (#1192). **`bridge_include_str_side_channels_retired`** is **not** structurally closed — **dedicated row** below (#1171 **suspended** `reconcile_with_compile_body`; **5-bridge** audit **#1282**). Unified Verification gate **`bridge_retirement_ledger_zero`** remains **R3 / Verification Manager** — aggregate stays **in-flight**. |
+| **R3-continuation: bridge_include_str_side_channels_retired (distribution map #4)** | sub-gate progress | PB-owned **`include_str!`** pipeline side-channel retirement (`pipeline_authority.rs`); emission compile-body authority per [`design-emission-model.md`](design-emission-model.md) | `bridge_include_str_side_channels_retired` | in-flight | #1171, [#1282](https://github.com/gunb-ai/gunbc/pull/1282) | **Outstanding — waiting:** #1171 **suspended** `reconcile_with_compile_body` rather than swapping **`include_str!`** for runtime IO; gate **open** until **structural compile-body witness** / derivation lands (~[`design-emission-model.md`](design-emission-model.md) posture). **Distribution-map owner:** PB Manager ([`docs/r3-structure.md`](r3-structure.md) bridge **#4**). **Ownership clarification (Director-flagged):** witness/carrier shape may route through **Substrate** — PB vs Substrate split **next dispatch**. Verification Manager owns unified **`bridge_retirement_ledger_zero`** audit gate, not per-bridge retirement execution. |
 
 ### Evaluator Manager — T-Evaluator