1 files changed, 12 insertions, 4 deletions

diff --git a/CONTEXT.md b/CONTEXT.md
index bfe0170..375bf57 100644
--- a/CONTEXT.md
+++ b/CONTEXT.md
@@ -113,10 +113,10 @@ Workspace version is `a.b.c` (single version for all crates):
 
 Bump the workspace version in the root `Cargo.toml` when a change of
 that class lands — do not leave the version to drift.  Current:
-`0.5.0` — the GUI era landed (graphics layer + cursor compositor) as a
-`b` bump from the 0.4.0 input foundation; a future major GUI overhaul
-(graphics windows beyond the text surface) would be the `a` bump
-(1.0.0).
+`0.5.1` — the GUI era landed with 0.5.0 (graphics layer + cursor
+compositor) and the canvas was fixed at 800×600 as a `c` bump; a
+future major GUI overhaul (graphics windows beyond the text surface)
+would be the `a` bump (1.0.0).
 
 ## Project layout
 
@@ -515,6 +515,14 @@ Workspace of four crates, all built for the `x86_64-unknown-uefi` target:
     the cursor tip is white on the display but absent from the shadow
     (overlay purity), and prints PASS/FAIL per stage.
 
+- **Canvas resolution fixed at 800×600** — `gop::init` scans the GOP
+    mode list and calls `SetMode` for an exact 800×600 (BGR/RGB 32-bit;
+    QEMU std-vga lists it as mode 3, real GPUs list it as a standard
+    mode), falling back to the smallest mode that fits, then to the
+    firmware's choice.  Everything derives from it: the vt text grid,
+    the cursor clamp, the demo strip.  `SetMode` may move the info
+    pointer and framebuffer base, so they are re-read after the switch.
+
   Verified in QEMU (`make test-gfx`): `fill_rect/shadow: OK`,
   `display push: OK`, `cursor overlay: OK`, `cursor not in shadow:
   OK`, `gfx check: PASS`; the demo draws; the cursor tracks injected