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docs(lane): B5 lands, and the shape of how it kept not landing 

Moves B5 from "owed outright" to landed at `a4627cd`, and records where
its icon re-derivation ended up: `reshape`'s tail, rather than the two
call sites that had been noticed.

The recovery-relevant part is the failure mode, not the fix. Twice the
patch went to a path someone had pointed at, and twice a second applier
in the same arm restored the icon anyway --- so the row passed with its
documented mutation applied. That is not a weak witness. It is a row
that measures nothing while reading, in the diff, exactly like a row
that measures something.
This commit is contained in:
Levi Neuwirth 2026-09-01 14:43:05 +02:00
parent a4627cdfbb
commit 392703bfc9
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1 changed files with 18 additions and 5 deletions
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docs/active-work.md
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@ -319,10 +319,23 @@ Framing
this base, the panel-replay prerequisite recorded as DISCHARGED by #243, this base, the panel-replay prerequisite recorded as DISCHARGED by #243,
and the both-axis effect witness still owed. and the both-axis effect witness still owed.
**Landed so far:** B1's per-target fractional wheel residual (the **Landed so far** (head `a4627cd`)**:** B1's per-target fractional
producer), B2's daemon-side horizontal panel leg, B3/B7's shared wheel residual (the producer), B2's daemon-side horizontal panel leg,
`scroll_window_columns` with its saturated bound and wrap pin, and B4's B3/B7's shared `scroll_window_columns` with its saturated bound and wrap
middle-click PRIMARY paste. pin, B4's middle-click PRIMARY paste, and **B5's I-beam**, whose icon is
re-derived in **`reshape`'s tail** — the one point every geometry settle
already passes through, reached by the line-number mode, minimap
arrival, panel appearance, resize and font metrics alike. Three
production appliers remain, one per cause (pointer motion, menu
ownership without geometry, geometry), and each fires a disjoint set of
rows under its own removal.
B5 took three rounds to get there. The first two patched the paths that
had been noticed — the snapshot arm, then a `set_menu` helper — and both
times the two appliers masked each other, so a row's documented mutation
named something the row could not see. **A witness whose mutation is
masked is not weaker evidence than a real one; it is evidence of
nothing, and it reads identically in the diff.**
**Landed but NOT yet witnessed** — recovery needs this split, because **Landed but NOT yet witnessed** — recovery needs this split, because
"L1–L8 owed" reads as though none of the mechanism exists: "L1–L8 owed" reads as though none of the mechanism exists:
@ -335,7 +348,7 @@ middle-click PRIMARY paste.
- **R4 and R5's residual resets**, as two separate clears beside - **R4 and R5's residual resets**, as two separate clears beside
`code_scroll_left` so omitting either is individually visible. `code_scroll_left` so omitting either is individually visible.
**Owed outright:** B5, B6's routing row, the **L1–L8 rows** for the **Owed outright:** B6's routing row, the **L1–L8 rows** for the
latch above, step 3's fractional both-axis panel witness, R4/R5's own latch above, step 3's fractional both-axis panel witness, R4/R5's own
replacement witnesses, and **B1's disposal half** — a residual keyed to replacement witnesses, and **B1's disposal half** — a residual keyed to
a surface that goes away must go with it, and this frontend does not yet a surface that goes away must go with it, and this frontend does not yet