Initial commit: Foto Dup Finder 1.0.1

An Android duplicate-photo finder. Pure-Kotlin core (SHA-256 + dHash hashing, exact and
perceptual union-find grouping, three sensitivity presets) with MediaStore access, a
persistent SQLite hash index and a tiered ScanEngine behind a Jetpack Compose UI.
No INTERNET permission, no ads, no analytics, no account.

Ships versionCode 2 / versionName 1.0.1, carrying the scan-stall hardening (BoundedCall
breaker) and verified against a 5,363-photo device library. 80 JVM unit tests, lint clean.

Release paperwork is in docs/ (Play checklist, store listing, edge-case testing), the
upload-ready Play graphics and screenshots in store-assets/, and the generators for those
assets in tools/.

tools/make-store-screenshots.sh

@@ -0,0 +1,62 @@
+#!/usr/bin/env bash
+#
+# Turns raw device screenshots into Play-legal store screenshots.
+#
+#   ./tools/make-store-screenshots.sh [raw-dir] [output-dir]
+#
+# Both paths default to inside the repo, never to $HOME:
+#   raw     store-assets/raw-screenshots/   git-ignored staging for the `adb` captures
+#   output  store-assets/screenshots/       the cropped files that get uploaded to Play
+#
+# Why this exists: Play rejects a screenshot whose longer side is more than twice its
+# shorter side ("your screenshot's maximum dimension can't be more than twice its minimum
+# dimension"). A 1080 x 2400 phone capture is 2.22:1, so it has to become 1080 x 2160.
+#
+# The crop removes system chrome only — the status bar at the top, the navigation bar at the
+# bottom — never app content. Both heights were measured on the test device:
+#
+#   STATUS_BAR_PX   ITYPE_STATUS_BAR frame height      93 px  (1080 x 2400 @ 440 dpi)
+#   NAV_BAR_PX      ITYPE_NAVIGATION_BAR bottom inset 130 px  (same device)
+#
+#   adb shell dumpsys window displays | grep -oE 'ITYPE_STATUS_BAR frame=\[[^]]*\]\[[^]]*\]'
+#   adb shell dumpsys window displays | grep -oE 'control type=ITYPE_NAVIGATION_BAR.*mInsetsHint=\{[^}]*\}'
+#
+# Output is 24-bit PNG without alpha, which is what Play asks for. Captures are not shot by
+# this script — take them yourself (the shot list is in docs/STORE_LISTING.md) and drop them
+# into store-assets/raw-screenshots/, or pass the directory as the first argument.
+set -euo pipefail
+
+here="$(cd "$(dirname "$0")" && pwd)"
+repo="$(dirname "$here")"
+raw="${1:-$repo/store-assets/raw-screenshots}"
+out="${2:-$repo/store-assets/screenshots}"
+status_bar="${STATUS_BAR_PX:-93}"
+nav_bar="${NAV_BAR_PX:-130}"
+
+if [ ! -d "$raw" ]; then
+    echo "usage: $0 [raw-screenshot-dir] [output-dir]" >&2
+    echo "error: no such directory: $raw" >&2
+    echo "       capture first, e.g. adb exec-out screencap -p > $raw/01-empty.png" >&2
+    exit 2
+fi
+
+mkdir -p "$out"
+
+shopt -s nullglob
+for f in "$raw"/*.png; do
+    name="$(basename "$f")"
+    width="$(identify -format '%w' "$f")"
+    height="$(identify -format '%h' "$f")"
+
+    # Drop the two system bars, then clamp to a 2:1 portrait frame.
+    keep=$(( height - status_bar - nav_bar ))
+    cap=$(( width * 2 ))
+    if [ "$keep" -gt "$cap" ]; then
+        keep="$cap"
+    fi
+
+    magick "$f" -crop "${width}x${keep}+0+${status_bar}" +repage \
+        -background '#FFFBFE' -alpha remove -alpha off PNG24:"$out/$name"
+    printf '  %s  %s -> ' "$name" "$(identify -format '%wx%h' "$f")"
+    identify -format '%wx%h  %[channels]  %b\n' "$out/$name"
+done