feat: prepare ARR for controlled public deployment

.project-docs/05-agent-entry/memory-index.md

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+# Memory Index
+
+Use this as the high-density entry point before reading slower documents.
+
+## Startup Set
+
+- Project identity: `.project-docs/00-brief/project-positioning.md`
+- Current state: `.project-docs/30-worklog/current-state.md`
+- Decision list: `.project-docs/10-decisions/decision-index.md`
+- System shape: `.project-docs/20-architecture/system-overview.md`
+
+## Recall Pointers
+
+- Confirmed report workflow and price formula: `.project-docs/10-decisions/ADR-001-automatic-monthly-trigger-and-total-price-formula.md`
+- Business rules and exact field semantics: `.project-docs/40-domain/business-rules.md`
+- Evidence-heavy bugs, experiments, investigations: `.project-docs/50-evidence/evidence-index.md`
+- Current upload E2E blocker: `.project-docs/50-evidence/topics/2026-07-29-live-synthetic-xml-vertical-slice.md`
+- Controlled public deployment snapshot: `.project-docs/50-evidence/topics/2026-07-29-public-deployment-repository.md`
+- Workflow lessons and repeated agent mistakes: `.project-docs/60-reflection/reflection-index.md`
+- Pending promises, loops, timed follow-ups: `.project-docs/80-commitments/commitments.md`
+- Stale or conflicting docs: `.project-docs/90-maintenance/stale-items.md`
+
+## Loading Rule
+
+Keep this file short. Add pointers here, not full history.