Use Adam inversion by default for concept sliders

README.md

@@ -35,6 +35,7 @@ and retrieval run on CPU from cached slider masks.
 - `SSR_L0` — subfolder to load, e.g. `L0-20` (variable)
 - `SSR_CORPUS_REPO` — HF **dataset** repo id with `corpus.npz` + `meta.json` (variable)
 - `SSR_DEVICE` — `cuda` (variable)
+- `SSR_INVERSION_METHOD` — `adam` (variable; deployment sets this explicitly)
 - `HF_TOKEN` — a read token (secret) so the Space can read the private corpus dataset
 
 ## Layout

core.py

@@ -11,6 +11,7 @@ Configuration (env):
   SSR_CORPUS_REPO  HF dataset repo id holding corpus.npz + meta.json (overrides local dir)
   SSR_CORPUS_DIR   local corpus dir (default: demo/corpus)
   SSR_DEVICE       "cuda" / "cpu" (auto-detected)
+  SSR_INVERSION_METHOD  "adam" (default) or "fista"
 """
 from __future__ import annotations
 
@@ -32,7 +33,7 @@ CORPUS_REPO = os.environ.get("SSR_CORPUS_REPO")  # HF dataset repo id, if hosted
 CHECKPOINT = os.environ.get("SSR_CHECKPOINT", os.path.join(HERE, os.pardir, "logs/xps/66a0caf9/checkpoints/last.ckpt"))
 L0_SUBFOLDER = os.environ.get("SSR_L0")  # e.g. "L0-20" when CHECKPOINT is a Hub repo
 CONFIG = os.environ.get("SSR_CONFIG")
-INVERSION_METHOD = os.environ.get("SSR_INVERSION_METHOD", "fista")
+INVERSION_METHOD = os.environ.get("SSR_INVERSION_METHOD", "adam")
 DEBUG = os.environ.get("SSR_DEBUG", "1").lower() not in {"0", "false", "no", "off"}