docs: fix swell_resgen.php path and repair citations broken by the CONTEXT split

mac_resgen.php does not exist. 34 CONTEXT.md citations retargeted to
CONTEXT-ARCHIVE.md; 6 self-inverted refs in the archive corrected.

CONTEXT-ARCHIVE.md

@@ -30,8 +30,7 @@ REAPER-facing:
   track, time range, tail, SR/bit-depth/channels, output path). Output: a finished
   file + a populated `Sample` handed to `bank_model`. Capture is always wet; the FX
   *scope* (not a wet/dry dial) is the control — the pure `render_settings` module
-  maps a scope to its render-source bits and its FX-bypass plan (see §Capture FX
-  scope below).
+  maps a scope to its render-source bits and its FX-bypass plan (see CLAUDE.md §Precision invariants).
 - `insert` — placement via `InsertMedia`; conform-to-project-tempo vs literal,
   as an explicit flag (never silent stretching).
 - `bank_panel` — the docked grid: LICE-drawn thumbnails, audition, multi-select,
@@ -65,7 +64,7 @@ Offline render (the crux — prototype this first):
   selected media items (single-file), **track** scope renders selected tracks via
   master. There is **no master-mix scope** (to capture the master, render a track).
   Render is always wet — REAPER has no true pre-FX "dry" render bit; FX scoping is done
-  by the FX-bypass-around-render mechanism, not a render bit (see §Capture FX scope).
+  by the FX-bypass-around-render mechanism, not a render bit (see CLAUDE.md §Precision invariants).
 - Trigger a no-dialog render via the appropriate render action / `RENDER_SETTINGS`
   bit. Confirm the exact command id and the "render without opening dialog" flag
   against current REAPER — do not assume; test that it runs headless.
@@ -686,8 +685,7 @@ UX is awful" points at the editor as the live wound, so **S10 leads.**
 - **LICE design-kit surfaces — moved to Phase L.** The shared LICE drawing-kit surface
   verification (`LICE_GradRect`/`LICE_RoundRect`/AA lines/circles/beziers/polygons + the
   `LICE_CachedFont`/`LICE_IFont` font engine, and the vwnd drawing-craft references) now
-  lives with **Phase L point L1** on `dev` — see CONTEXT.md §Phase L "LICE / WDL API
-  surface". Phase S surfaces (S10–S13) adopt that kit when it lands; they are not gated on it.
+  lives with **Phase L point L1** on `dev` — see §"LICE / WDL API surface" in this file. Phase S surfaces (S10–S13) adopt that kit when it lands; they are not gated on it.
 
 ---
 
@@ -741,7 +739,7 @@ itself**. The extension is the actor for the whole gesture.
 
 **The ReaSampler 9000 load-capture seam (the hard coupling — MUST be added; does not yet
 exist).** The Phase S spec today gives the instrument a **live-state *read* seam** (it
-reads bank index + mapping from `"reasampler"` ext-state via the bridge — §The two seams)
+reads bank index + mapping from `"reasampler"` ext-state via the bridge — CONTEXT.md §The two seams)
 but **no entry point for an external actor to say "this fresh instance should play *this
 specific* capture."** Reading the bank is not the same as being *pointed at one sample*.
 This wave is the reason to add that seam, and the seam lands **inside the instrument**
@@ -767,8 +765,7 @@ translate a neutral state representation on its behalf. This makes the **compone
 blob format a shared cross-artifact contract** — one that is **still being defined in Phase
 S** — and a **coordination dependency between the extension and the instrument:** both must
 agree on the exact byte layout that ReaSampler 9000's `setChunk` accepts before either half
-is final. The load-capture seam and the component-state persistence work (§Where the toggle
-lives / component-state version bumps) share this one blob format.
+is final. The load-capture seam and the component-state persistence work (CONTEXT.md §Where the toggle lives / component-state version bumps) share this one blob format.
 
 **Rejected alternative — (A) fresh-instance ext-state handshake.** The extension writes a
 small "pending load" hint into `"reasampler"` ext-state keyed to the target track/FX (a
@@ -908,7 +905,7 @@ centerpiece), grouping by *task*:
   affordances, per-selection **move / copy / remove** sample menu.
 - **Prune** button (R-E) — the byte-deleting action; `warn`-colored, set apart.
 
-**M11 adds (dev PLAN.md §M11 — merging to dev now):**
+**M11 adds (COMPLETED.md §M11):**
 - **Action-trigger buttons** — clickable buttons firing the capture + provenance action
   family directly (capture item / capture track scopes, re-capture from source,
   resample-and-mute-source, batch capture, conform-on-insert, insert-at-cursor, drag-out,