diff --git a/docs/ISSUES.md b/docs/ISSUES.md
index 9ae3ed27..34447de5 100644
--- a/docs/ISSUES.md
+++ b/docs/ISSUES.md
@@ -24,6 +24,38 @@ What does NOT go here:
 - Every session: scan OPEN issues at start; promote/close anything we touched during the session before ending.
 - Promoting to a Phase: mark as `DONE (promoted to Phase X)` + commit SHA where the Phase entry landed.
 
+## #407 — Windowed resolution offering starves on RDP/virtual displays (video-mode gating)
+
+**Status:** OPEN (Campaign CC gate round 1, 2026-08-16)
+**Severity:** MEDIUM (windowed usability on remote/virtual displays)
+
+Found live during the CC gate over RDP: the Config Resolution dropdown
+offered exactly two entries — `1920x1080` and the desktop's own
+`2056x1290` — because the RDP virtual display's driver advertises only
+those two video modes (measured via `EnumDisplaySettings`: the physical
+2560x1440 monitor's mode list is not visible to the remote session at
+all; the two secondary virtual displays expose only `800x600`).
+`DisplayModeCatalog` (#391) honestly curates what the monitor
+enumerates — the defect is the DESIGN conflation: the WINDOWED size
+offering is gated on fullscreen-capable video modes, but a windowed
+client needs no video mode — any size that fits the desktop is
+displayable. On a physical monitor the conflation is invisible (rich
+mode list); on RDP it collapses to nothing below 1920.
+
+Fix direction: split the offering by target state. The dropdown offers
+(static modern ladder entries that fit the desktop) ∪ (curated hardware
+modes), ascending; the windowed apply (a plain Size write) accepts any
+offered entry ≤ desktop; the fullscreen apply keeps the hardware-catalog
+validation + `GlfwDisplayModeSwitcher`'s monitor-mode-list hard guard
+UNCHANGED (a fullscreen pick of a non-hardware mode refuses safely,
+log-and-stay per #388 — the #392 apply-result seam is that family's
+existing follow-up). #391's "an offered mode is by construction a
+supported one" invariant narrows to the fullscreen half and must be
+re-documented; register IA-22 (user-directed curation) gets the same
+amendment. Immediate workaround (confirmed live): drag-resize the
+windowed client — resize events rebuild the swapchain (#387) and the
+retail UI rescales from its 800x600 authored canvas.
+
 ## #406 — Launcher records a crashed client as `exited{code:0,reason:"graceful"}`
 
 **Status:** OPEN (Campaign CC gate round 1, 2026-08-16)