Document resident-model default and IMGGEN_WIDTH/HEIGHT

Update README and CLAUDE.md for the two behavior changes: a bare daemon-up
prompt run now uses the resident model instead of an interactive menu (menu
removed), and default size comes from IMGGEN_WIDTH/IMGGEN_HEIGHT in .env
(1280x960 landscape example, 1024x1024 fallback), overridable with -W/-H.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

1 files changed, 13 insertions, 5 deletions

diff --git a/README.md b/README.md
index 3be40f6..5e5b255 100644
--- a/README.md
+++ b/README.md
@@ -84,6 +84,8 @@ IMGGEN_OUT=/path/to/output          # where PNGs land
 IMGGEN_CACHE=/path/to/model-cache   # where the ~7.5GB weights are cached
 IMGGEN_PORT=8765                    # daemon port, localhost-only
 IMGGEN_MODEL=sdxl                   # model loaded on `imggen start`
+IMGGEN_WIDTH=1280                   # default image width (multiple of 8)
+IMGGEN_HEIGHT=960                   # default image height (multiple of 8)
 IMGGEN_UID=1000                     # your host uid (id -u)
 IMGGEN_GID=100                      # your host gid (id -g)
 ```
@@ -139,15 +141,21 @@ imggen "a foggy harbour at dawn" --steps 30 --seed 42
 imggen "portrait of a fox" -m realvis -o fox.png -n "blurry, low quality"
 ```
 
-- If the daemon is UP, the prompt goes to it. If the requested `-m` differs
-  from the resident model, the daemon swaps first (a few seconds). With no
-  `-m` and an interactive terminal, a menu picks the model. A failed swap
-  (bad repo, gated repo, OOM) prints the daemon's error and the wrapper
-  exits 1.
+- If the daemon is UP, the prompt goes to it. With no `-m`, it uses the
+  currently resident model as-is (the one you chose at `imggen start`), so
+  repeated prompts just iterate on it. Pass `-m KEY` to override; if that
+  differs from the resident model the daemon swaps first (a few seconds). A
+  failed swap (bad repo, gated repo, OOM) prints the daemon's error and the
+  wrapper exits 1.
 - If the daemon is DOWN, the wrapper falls back to a one-shot run: it loads
   the model, generates, and exits. Slower (pays the ~45s load every time)
   but requires no daemon management.
 
+Size defaults to `IMGGEN_WIDTH`x`IMGGEN_HEIGHT` from `.env` (1280x960 landscape
+in the example), falling back to 1024x1024 if unset. Override per run with
+`-W`/`-H`. Both must be multiples of 8 (SDXL constraint); the daemon and the
+one-shot path reject non-multiples.
+
 Output lands in `$IMGGEN_OUT` (from `.env`). Models cache in `$IMGGEN_CACHE`
 so the ~7.5GB download happens once.