feat: add ImageFind application and release pipelines

fnos/cmd/config_callback

@@ -0,0 +1,34 @@
+#!/bin/bash
+set -eu
+
+DATA_ROOT="${TRIM_PKGVAR:-}"
+ENABLED="${wizard_direct_access:-false}"
+PORT="${wizard_direct_port:-8765}"
+unset wizard_direct_access wizard_direct_port
+
+fail() {
+    MESSAGE="$1"
+    printf '%s\n' "$MESSAGE" >&2
+    if [ -n "${TRIM_TEMP_LOGFILE:-}" ]; then
+        printf '%s\n' "$MESSAGE" >>"$TRIM_TEMP_LOGFILE" 2>/dev/null || true
+    fi
+    exit 1
+}
+
+[ -n "$DATA_ROOT" ] || fail "ImageFind 配置失败：fnOS 未提供应用数据目录。"
+case "$ENABLED" in
+    true|false) ;;
+    *) fail "ImageFind 配置失败：直接访问开关无效。" ;;
+esac
+case "$PORT" in
+    ''|*[!0-9]*) fail "ImageFind 配置失败：端口必须是数字。" ;;
+esac
+[ "$PORT" -ge 1 ] && [ "$PORT" -le 65535 ] || fail "ImageFind 配置失败：端口必须在 1–65535 之间。"
+
+mkdir -p "$DATA_ROOT"
+ACCESS_TEMP="$DATA_ROOT/access.json.tmp.$$"
+trap 'rm -f "$ACCESS_TEMP"' EXIT
+printf '{"direct_access":{"enabled":%s,"port":%s}}\n' "$ENABLED" "$PORT" >"$ACCESS_TEMP"
+chmod 0600 "$ACCESS_TEMP"
+mv "$ACCESS_TEMP" "$DATA_ROOT/access.json"
+trap - EXIT