feat(reports): leftover-map leftover-axis origin ticks independently of leftover-map axis share and leftover-map singular values (v2.103.0)

[seonghobae]

Summary

Stacked on #887 @ 7637fc8 (feat/leftover-map-compare-axis-tick-origin-badge-v21020). leftoverMapAxisTickBadge (ADR 0346 / v2.103.0) names leftover-map leftover-axis origin ticks independently of leftover-map axis share and leftover-map singular values.

• Distinct accessible name leftover axis {axis} origin tick {value} when leftoverMapPlotTickIsOrigin returns true (formatSignedLeftoverValue(0) === 0.00).
• Rank-0 unused axes still name leftover-map origin 0.00.
• Share and singular omit independently as leftover axis {axis} origin tick {value} σ {singular}, leftover axis {axis} origin tick {value} {share}%, and leftover axis {axis} origin tick {value} σ {singular} {share}%.
• Non-origin leftover-map leftover-axis ticks stay leftover axis {axis} tick {value}.
• leftoverMapPlotTickAxisBadge stays leftover-map graphic leftover-map axis origin tick keys from ADR 0343.
• leftoverMapComparePlotTickAxisBadge stays leftover-map comparison graphic leftover-map axis origin tick keys from ADR 0344.
• leftoverMapCompareAxisTickBadge stays leftover-map comparison leftover-axis origin tick keys from ADR 0345. Do not mix feat(reports): leftover-map origin on leftover-map comparison graphic leftover-map axis ticks independently of leftover-map axis share and leftover-map singular values (v2.92.0) #877.
• Do not invent leftover-map origin from leftover-map axis share or leftover-map singular values σ_k.
• UI-only. No SQL. No new columns. Never invent a leftover score. Never invent a theta.

Test plan

• pnpm exec oxlint on leftover-map leftover-axis tick files: 0 warnings, 0 errors
• pnpm exec tsc -b clean
• vitest leftoverMapPlotAxisSingular, leftoverMapPlotLayout, leftoverMapAxisBadge, LeftoverMapPlot, App, i18n: 769 passed
• Independent APPROVE on this exact head (not Devin COMMENT)
• After independent review, keep stacked leftover-map PRs open; do not squash-merge onto unprotected leftover bases
• Do not mix feat(reports): leftover-map origin on leftover-map comparison graphic leftover-map axis ticks independently of leftover-map axis share and leftover-map singular values (v2.92.0) #877 origin-tick stack
• Issues Milestone 2: port verified direct-PostgreSQL analysis into the protected product architecture #79 and Milestone 2.1: add normalized runtime-analysis schema bridge after v0.77 #87 stay OPEN
• Do not merge revert: undo #782 squash until independent APPROVE #808 without independent APPROVE
• Do not merge feat(reports): leftover-map graphic leftover-map axis origin ticks independently of leftover-map axis share and leftover-map singular values (v2.100.0) #885–feat(reports): leftover-map comparison leftover-axis origin ticks independently of leftover-map axis share and leftover-map singular values (v2.102.0) #887 without independent APPROVE

Leave open for independent review. Do not self-approve. Do not squash-merge.

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[seonghobae]

Exact head 4bfb490. oxlint 0/0, tsc -b clean, vitest 769 passed on leftover-map origin-tick files. Independent APPROVE required on this exact head (Devin COMMENT is not APPROVE). Leave stacked leftover-map PRs open. Do not self-approve. Do not squash-merge. Do not mix #877. Issues #79 and #87 stay OPEN. Do not merge #808 without independent APPROVE. Do not merge #885–#887 without independent APPROVE.

[devin-ai-integration]

✅ Devin Review: No Issues Found

Devin Review analyzed this PR and found no bugs or issues to report.

[seonghobae]

Cycle note (Grok Build, 2026-08-31T11:35Z): leftover-map leftover-axis origin ticks (v2.103.0 / ADR 0346) is the stacked increment on #887 @ 7637fc8. leftoverMapAxisTickBadge names origin via leftoverMapPlotTickIsOrigin independently of leftover-map axis share and leftover-map singular values. Rank-0 unused axes still name origin 0.00. Do not squash-merge. Independent APPROVE required. Do not mix #877. #79 and #87 stay open. Next buyer gap after this head is leftover-map origin on the remaining leftover-axis surface once this exact head is independently reviewed — not a self-approve.

[seonghobae]

Next stacked increment is leftover-map graphic leftover-map origin independently of leftover-map axis origin ticks, leftover-map axis share, and leftover-map singular values (ADR 0347 / v2.104.0) @ 9d01054 on feat/leftover-map-plot-origin-badge-v21040 (this PR's child). Independent APPROVE still required on this exact head 4bfb490 (Devin COMMENT is not APPROVE). Leave stacked leftover-map PRs open. Do not self-approve. Do not squash-merge. Do not mix #877. Issues #79 and #87 stay OPEN. Do not merge #808 without independent APPROVE.

[seonghobae]

Stacked child is #890 leftover-map graphic leftover-map origin independently of leftover-map axis origin ticks, leftover-map axis share, and leftover-map singular values (ADR 0347 / v2.104.0) @ 9d01054. Independent APPROVE still required on this exact head 4bfb490. Do not self-approve. Do not squash-merge. Do not mix #877. Issues #79 and #87 stay OPEN.

[seonghobae]

Stacked #891 @ 47dd988 (v2.104.0 / ADR 0347) names leftover-map origin on leftover-map graphic leftover-map criterion leftover-map item coordinates via leftoverMapPlotCriterionBadge independently of leftover-map person coordinates. This PR (#889, leftoverMapAxisTickBadge origin) remains the base. Do not squash-merge. Independent APPROVE required on this exact head. Do not mix #877. #79 and #87 stay open.