docs(35): capture phase context

.planning/phases/35-bug-fixes/35-DISCUSSION-LOG.md

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+# Phase 35: Bug Fixes - Discussion Log
+
+> **Audit trail only.** Do not use as input to planning, research, or execution agents.
+> Decisions are captured in CONTEXT.md — this log preserves the alternatives considered.
+
+**Date:** 2026-04-19
+**Phase:** 35-bug-fixes
+**Areas discussed:** FIX-03 scope, FIX-01 fallback
+
+---
+
+## FIX-03 scope: slow image loading
+
+| Option | Description | Selected |
+|--------|-------------|----------|
+| Lazy loading + skeleton states only | Add HTML loading='lazy' and gray animated placeholders while images load. Addresses visible UX symptom without touching presigned URL generation. | ✓ |
+| Lazy loading + presigned URL caching | Also cache generated presigned URLs server-side for their TTL duration. More impactful but touches the storage layer. | |
+| Full investigation and fix all causes | Audit all three causes (lazy loading, presigned URL generation overhead, image sizing), fix everything found. | |
+
+**User's choice:** Lazy loading + skeleton states only
+**Notes:** Presigned URL caching explicitly deferred to a future phase. Skeletons should appear on all card types that display images (ItemCard, CandidateCard, catalog/discovery cards) — not just ItemCard.
+
+---
+
+## FIX-01 fallback: catalog vs manual flow
+
+| Option | Description | Selected |
+|--------|-------------|----------|
+| Inline fallback inside CatalogSearchOverlay | CatalogSearchOverlay already has "Can't find it? Add manually" link. Just wire the button to the overlay, no extra UI needed. | |
+| Secondary button on thread page | Keep an explicit "Add manually" secondary button on the thread page toolbar. | |
+| Remove the manual-add modal from thread page entirely | Delete the inline AddCandidateModal component and its state. Manual add is already reachable via FAB → overlay → "add manually". | ✓ |
+
+**User's choice:** Remove the manual-add modal from thread page entirely
+**Notes:** The `AddCandidateModal` inline component and `addCandidateOpen` state should be fully deleted from the thread detail route. Clean code removal.
+
+---
+
+## Claude's Discretion
+
+- Which specific card component file implements catalog/discovery card loading skeletons
+- Whether `priceCurrency` is already in the items list API response
+
+## Deferred Ideas
+
+- Presigned URL server-side caching (TTL-based) — out of scope for Phase 35
+- Image resizing/thumbnails on upload — deferred
+- Cache-Control headers on S3 objects — deferred