Rename photoalbum to shuriken

13 files changed, 445 insertions, 445 deletions

diff --git a/AGENTS.md b/AGENTS.md
index d026f5e..0bc5a71 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -2,10 +2,10 @@
 
 For Bash changes in this repository, load and follow the
 `bash-best-practices` skill before editing. Keep changes focused, preserve the
-public `photoalbum` CLI, and run the project checks before committing.
+public `shuriken` CLI, and run the project checks before committing.
 
-`src/photoalbum.sh` is the source for the generated `bin/photoalbum` script. If
-the source changes, run `just build` and keep `bin/photoalbum` synchronized.
+`src/shuriken.sh` is the source for the generated `bin/shuriken` script. If
+the source changes, run `just build` and keep `bin/shuriken` synchronized.
 
 Expected checks for Bash changes:
 
diff --git a/Justfile b/Justfile
index 3e58955..183f9ed 100644
--- a/Justfile
+++ b/Justfile
@@ -1,6 +1,6 @@
 set shell := ["bash", "-euo", "pipefail", "-c"]
 
-NAME := "photoalbum"
+NAME := "shuriken"
 VERSION := "0.7.0"
 DESTDIR := env_var_or_default("DESTDIR", "")
 PREFIX := env_var_or_default("PREFIX", "/usr")
@@ -29,30 +29,30 @@ build:
         for lib_source in {{LIB_SOURCES}}; do
             printf '\n# Inlined from %s\n' "$lib_source"
             while IFS= read -r line; do
-                line=${line//PHOTOALBUMVERSION/{{VERSION}}}
+                line=${line//SHURIKENVERSION/{{VERSION}}}
                 printf '%s\n' "$line"
             done < "$lib_source"
         done
     }
 
-    render_photoalbum() {
+    render_shuriken() {
         local in_lib_sources=no
         local line
 
         while IFS= read -r line; do
             case "$line" in
-                '# PHOTOALBUM_LIB_SOURCES_BEGIN')
+                '# SHURIKEN_LIB_SOURCES_BEGIN')
                     printf '%s\n' "$line"
                     render_lib_sources
                     in_lib_sources=yes
                     ;;
-                '# PHOTOALBUM_LIB_SOURCES_END')
+                '# SHURIKEN_LIB_SOURCES_END')
                     in_lib_sources=no
                     printf '\n%s\n' "$line"
                     ;;
                 *)
                     if [ "$in_lib_sources" = no ]; then
-                        line=${line//PHOTOALBUMVERSION/{{VERSION}}}
+                        line=${line//SHURIKENVERSION/{{VERSION}}}
                         printf '%s\n' "$line"
                     fi
                     ;;
@@ -60,7 +60,7 @@ build:
         done < "src/{{NAME}}.sh"
     }
 
-    render_photoalbum > "$generated"
+    render_shuriken > "$generated"
     chmod 0755 "$generated"
     if [ -f "./bin/{{NAME}}" ] && cmp -s "$generated" "./bin/{{NAME}}"; then
         chmod 0755 "./bin/{{NAME}}"
@@ -81,30 +81,30 @@ check-generated:
         for lib_source in {{LIB_SOURCES}}; do
             printf '\n# Inlined from %s\n' "$lib_source"
             while IFS= read -r line; do
-                line=${line//PHOTOALBUMVERSION/{{VERSION}}}
+                line=${line//SHURIKENVERSION/{{VERSION}}}
                 printf '%s\n' "$line"
             done < "$lib_source"
         done
     }
 
-    render_photoalbum() {
+    render_shuriken() {
         local in_lib_sources=no
         local line
 
         while IFS= read -r line; do
             case "$line" in
-                '# PHOTOALBUM_LIB_SOURCES_BEGIN')
+                '# SHURIKEN_LIB_SOURCES_BEGIN')
                     printf '%s\n' "$line"
                     render_lib_sources
                     in_lib_sources=yes
                     ;;
-                '# PHOTOALBUM_LIB_SOURCES_END')
+                '# SHURIKEN_LIB_SOURCES_END')
                     in_lib_sources=no
                     printf '\n%s\n' "$line"
                     ;;
                 *)
                     if [ "$in_lib_sources" = no ]; then
-                        line=${line//PHOTOALBUMVERSION/{{VERSION}}}
+                        line=${line//SHURIKENVERSION/{{VERSION}}}
                         printf '%s\n' "$line"
                     fi
                     ;;
@@ -112,7 +112,7 @@ check-generated:
         done < "src/{{NAME}}.sh"
     }
 
-    render_photoalbum > "$generated"
+    render_shuriken > "$generated"
     chmod 0755 "$generated"
     if [ ! -f "./bin/{{NAME}}" ]; then
         printf '%s\n' \
@@ -144,7 +144,7 @@ install: check-generated build
     cp -R ./assets/site "{{DESTDIR}}{{DATADIR}}/{{NAME}}/assets"
     install -d "{{DESTDIR}}{{SYSCONFDIR}}"
     install -m 0644 \
-        ./src/photoalbum.default.conf \
+        ./src/shuriken.default.conf \
         "{{DESTDIR}}{{SYSCONFDIR}}/{{NAME}}"
 
 deinstall:
@@ -162,6 +162,6 @@ shellcheck:
     shellcheck \
         --external-sources \
         --check-sourced \
-        ./src/photoalbum.sh \
+        ./src/shuriken.sh \
         ./tests/cli.sh \
         ./tests/helpers.sh
diff --git a/README.md b/README.md
index 2918b5f..f5641a2 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,8 @@
-# photoalbum
+# shuriken
 
 ![Shuriken logo](assets/docs/shuriken-logo.svg)
 
-photoalbum is a minimal Bash script for Unix like operating systems (such as Linux) to generate static web photo albums.
+shuriken is a minimal Bash script for Unix like operating systems (such as Linux) to generate static web photo albums.
 The resulting static photo album is pure HTML+CSS (without any JavaScript!).
 
 ## Installation
@@ -15,15 +15,15 @@ just build
 sudo just install
 ```
 
-`bin/photoalbum` is a committed generated artifact for compatibility with
-existing checkouts and packaging. Its source of truth is `src/photoalbum.sh`
+`bin/shuriken` is a committed generated artifact for compatibility with
+existing checkouts and packaging. Its source of truth is `src/shuriken.sh`
 rendered through the `VERSION` value in `Justfile`. Run `just build` after
 changing either file, and use `just check-generated` to verify that the tracked
 script has not drifted. `just test` and `just install` run that drift check
 before rebuilding so stale committed output is not hidden.
 
-`just install` installs `photoalbum` to `/usr/bin`, templates and static assets
-to `/usr/share/photoalbum`, and the default config to `/etc/default/photoalbum`.
+`just install` installs `shuriken` to `/usr/bin`, templates and static assets
+to `/usr/share/shuriken`, and the default config to `/etc/default/shuriken`.
 Override paths with `DESTDIR`, `PREFIX`, `BINDIR`, `DATADIR`, or `SYSCONFDIR`
 when packaging or staging an install:
 
@@ -40,17 +40,17 @@ modern `magick` command and falls back to `convert` when needed.
 ## Usage
 
 ```
-photoalbum --init
-photoalbum --generate [--config PATH] [OPTIONS]
-photoalbum --refresh-splash [--config PATH] [OPTIONS]
-photoalbum --sync [--config PATH] [OPTIONS]
-photoalbum --dry-run [--config PATH] [OPTIONS]
-photoalbum --print-config [--config PATH] [OPTIONS]
-photoalbum --clean [--config PATH] [OPTIONS]
-photoalbum --version
+shuriken --init
+shuriken --generate [--config PATH] [OPTIONS]
+shuriken --refresh-splash [--config PATH] [OPTIONS]
+shuriken --sync [--config PATH] [OPTIONS]
+shuriken --dry-run [--config PATH] [OPTIONS]
+shuriken --print-config [--config PATH] [OPTIONS]
+shuriken --clean [--config PATH] [OPTIONS]
+shuriken --version
 ```
 
-* `--init` creates `./photoalbum.conf` in the current working directory from the
+* `--init` creates `./shuriken.conf` in the current working directory from the
   default config. It refuses to overwrite an existing file.
 * `--generate` builds the static album.
 * `--force` with `--generate` rebuilds from scratch instead of reusing cached
@@ -70,15 +70,15 @@ photoalbum --version
   `--refresh-splash`, `--dry-run`, `--print-config`, or `--clean`.
 
 When `--config PATH` is not provided, `--generate`, `--dry-run`,
-`--print-config`, `--refresh-splash`, and `--clean` read `./photoalbum.conf`.
-If the file is missing, run `photoalbum --init` first.
+`--print-config`, `--refresh-splash`, and `--clean` read `./shuriken.conf`.
+If the file is missing, run `shuriken --init` first.
 
 The config file is a Bash file with assignments such as `INCOMING_DIR`,
 `DIST_DIR`, `TEMPLATE_DIR`, `TITLE`, `HEIGHT`, `THUMBHEIGHT`, `MAXPREVIEWS`,
 `IMAGE_JOBS`, `IMAGEMAGICK_TIMEOUT`, `RANDOM_SEED`, `SHUFFLE`, `SPLASH_PAGE`,
 `TARBALL_INCLUDE`, `TAR_TIMEOUT`, `SYNC_DELETE`, and `SYNC_DESTINATIONS`.
 
-Before generating, `photoalbum` validates the loaded config and command-line
+Before generating, `shuriken` validates the loaded config and command-line
 overrides. It checks required values, positive integer settings, `yes`/`no`
 settings, readable input and template directories, a writable output location,
 and ImageMagick availability. Generation stops before writing album output when
@@ -104,7 +104,7 @@ assignments, so the output can be parsed by shell tooling. `--quiet` does not
 suppress this output, and `--verbose` does not add human-readable diagnostics to
 it.
 
-Successful generation writes `photoalbum.json` into the output directory. This
+Successful generation writes `shuriken.json` into the output directory. This
 metadata records the generator version and timestamp, config source, template
 directory, supported source image and generated file counts, tarball status, and
 effective settings useful for debugging a published album.
@@ -148,7 +148,7 @@ a randomly selected album photo. Set `SPLASH_PAGE=no` or pass `--no-splash` to
 restore the top-level redirect to `page-1.html`.
 
 To quickly pick a new random splash photo for an already generated album, run
-`photoalbum --refresh-splash`. This rewrites only `DIST_DIR/index.html` using
+`shuriken --refresh-splash`. This rewrites only `DIST_DIR/index.html` using
 the existing `photos` and `blurs` output, so it avoids reprocessing images and
 rerendering album pages. It requires `SPLASH_PAGE=yes`; pass
 `--random-seed VALUE` when you need a repeatable pick.
@@ -159,7 +159,7 @@ timestamps, and `--shuffle` preview order remain non-deterministic. Set
 choices repeatable for stable tests or reproducible album builds. Use the same
 seed and inputs to produce the same HTML.
 
-To publish generated output, configure destinations and run `photoalbum --sync`:
+To publish generated output, configure destinations and run `shuriken --sync`:
 
 ```
 SYNC_DESTINATIONS=(
@@ -194,13 +194,13 @@ value to a positive integer to adjust the limit for large images or archives.
 
 ## Example usage
 
-1. Run `photoalbum --init`.
-2. Edit `photoalbum.conf`. Set `INCOMING_DIR` to the directory containing the
+1. Run `shuriken --init`.
+2. Edit `shuriken.conf`. Set `INCOMING_DIR` to the directory containing the
    pictures and adjust `DIST_DIR`, `TITLE`, or template settings as needed.
-3. Run `photoalbum --dry-run` to inspect the planned generation.
-4. Run `photoalbum --generate` to generate the album.
-5. Run `photoalbum --sync` to publish `./dist`, or distribute it manually.
-6. Run `photoalbum --clean` to remove the generated output.
+3. Run `shuriken --dry-run` to inspect the planned generation.
+4. Run `shuriken --generate` to generate the album.
+5. Run `shuriken --sync` to publish `./dist`, or distribute it manually.
+6. Run `shuriken --clean` to remove the generated output.
 
 ## HTML templates
 
diff --git a/bin/photoalbum b/bin/shuriken
index 656d208..a7a7752 100755
--- a/bin/photoalbum
+++ b/bin/shuriken
@@ -1,21 +1,21 @@
 #!/usr/bin/env bash
 set -euo pipefail
 
-# photoalbum (c) 2011 - 2014, 2022 by Paul Buetow
+# shuriken (c) 2011 - 2014, 2022 by Paul Buetow
 # https://codeberg.org/snonux/shuriken.sh
 
 declare -r VERSION='0.7.0'
-declare -r DEFAULTRC="${PHOTOALBUM_DEFAULT_RC:-/etc/default/photoalbum}"
-declare -r PACKAGED_TEMPLATE_DIR='/usr/share/photoalbum/templates/default'
-declare -r PACKAGED_ASSET_DIR='/usr/share/photoalbum/assets'
-DEFAULT_TEMPLATE_DIR="${PHOTOALBUM_DEFAULT_TEMPLATE_DIR:-$PACKAGED_TEMPLATE_DIR}"
+declare -r DEFAULTRC="${SHURIKEN_DEFAULT_RC:-/etc/default/shuriken}"
+declare -r PACKAGED_TEMPLATE_DIR='/usr/share/shuriken/templates/default'
+declare -r PACKAGED_ASSET_DIR='/usr/share/shuriken/assets'
+DEFAULT_TEMPLATE_DIR="${SHURIKEN_DEFAULT_TEMPLATE_DIR:-$PACKAGED_TEMPLATE_DIR}"
 declare -r DEFAULT_TEMPLATE_DIR
-DEFAULT_ASSET_DIR="${PHOTOALBUM_DEFAULT_ASSET_DIR:-$PACKAGED_ASSET_DIR}"
+DEFAULT_ASSET_DIR="${SHURIKEN_DEFAULT_ASSET_DIR:-$PACKAGED_ASSET_DIR}"
 declare -r DEFAULT_ASSET_DIR
-PHOTOALBUM_OUTPUT_MODE="${PHOTOALBUM_OUTPUT_MODE:-normal}"
-PHOTOALBUM_ACTIVE_GENERATION_PID=''
-PHOTOALBUM_FORCE_GENERATE="${PHOTOALBUM_FORCE_GENERATE:-no}"
-PHOTOALBUM_CURRENT_DATE_TEXT=''
+SHURIKEN_OUTPUT_MODE="${SHURIKEN_OUTPUT_MODE:-normal}"
+SHURIKEN_ACTIVE_GENERATION_PID=''
+SHURIKEN_FORCE_GENERATE="${SHURIKEN_FORCE_GENERATE:-no}"
+SHURIKEN_CURRENT_DATE_TEXT=''
 
 declare -ra CLI_CONFIG_OVERRIDE_TARGETS=(
     INCOMING_DIR
@@ -66,9 +66,9 @@ declare -Ar CLI_OPTION_KIND=(
 )
 declare -Ar CLI_OPTION_TARGET=(
     [--config]=config_file
-    [--verbose]=PHOTOALBUM_OUTPUT_MODE
-    [--quiet]=PHOTOALBUM_OUTPUT_MODE
-    [--force]=PHOTOALBUM_FORCE_GENERATE
+    [--verbose]=SHURIKEN_OUTPUT_MODE
+    [--quiet]=SHURIKEN_OUTPUT_MODE
+    [--force]=SHURIKEN_FORCE_GENERATE
 )
 declare -Ar CLI_OPTION_VALUE=(
     [--shuffle]=yes
@@ -107,10 +107,10 @@ declare -Ar CLI_OPTION_ARGUMENT=(
     [--sync-destination]=destination
 )
 
-PHOTOALBUM_SOURCE_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
-declare -r PHOTOALBUM_SOURCE_DIR
+SHURIKEN_SOURCE_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
+declare -r SHURIKEN_SOURCE_DIR
 
-# PHOTOALBUM_LIB_SOURCES_BEGIN
+# SHURIKEN_LIB_SOURCES_BEGIN
 
 # Inlined from src/lib/bootstrap.source.sh
 usage() {
@@ -152,11 +152,11 @@ USAGE
 }
 
 output_is_quiet() {
-    [ "$PHOTOALBUM_OUTPUT_MODE" = quiet ]
+    [ "$SHURIKEN_OUTPUT_MODE" = quiet ]
 }
 
 output_is_verbose() {
-    [ "$PHOTOALBUM_OUTPUT_MODE" = verbose ]
+    [ "$SHURIKEN_OUTPUT_MODE" = verbose ]
 }
 
 log_info() {
@@ -186,7 +186,7 @@ resolve_default_rc_file() {
     source_root=$(resolve_source_root)
 
     if [ -n "$source_root" ]; then
-        printf '%s\n' "$source_root/src/photoalbum.default.conf"
+        printf '%s\n' "$source_root/src/shuriken.default.conf"
         return
     fi
 
@@ -197,10 +197,10 @@ resolve_source_root() {
     local script_dir
     local source_root
 
-    script_dir="$PHOTOALBUM_SOURCE_DIR"
+    script_dir="$SHURIKEN_SOURCE_DIR"
     source_root=$(cd "$script_dir/.." && pwd)
 
-    if [[ -f "$source_root/src/photoalbum.default.conf" \
+    if [[ -f "$source_root/src/shuriken.default.conf" \
         && -d "$source_root/share/templates/default" ]]; then
         printf '%s\n' "$source_root"
     fi
@@ -264,7 +264,7 @@ apply_template_dir_default() {
 }
 
 init_config() {
-    local -r rc_file=photoalbum.conf
+    local -r rc_file=shuriken.conf
     local default_rc_file
     local rewritten_rc_file
     local source_root
@@ -286,7 +286,7 @@ init_config() {
 
     source_root=$(resolve_source_root)
     if [[ -n "$source_root" \
-        && "$default_rc_file" = "$source_root/src/photoalbum.default.conf" ]]; then
+        && "$default_rc_file" = "$source_root/src/shuriken.default.conf" ]]; then
         source_template_dir="$source_root/share/templates/default"
         rewritten_rc_file=$(mktemp "${rc_file}.XXXXXX")
         if ! awk -v template_dir="$source_template_dir" \
@@ -601,7 +601,7 @@ _json_bool() {
 
 _display_path() {
     local -r path="$1"; shift
-    local -r final_dist="${PHOTOALBUM_FINAL_DIST_DIR:-}"
+    local -r final_dist="${SHURIKEN_FINAL_DIST_DIR:-}"
 
     if [[ -n "$final_dist" && "$path" == "$DIST_DIR"* ]]; then
         printf '%s%s\n' "$final_dist" "${path#"$DIST_DIR"}"
@@ -621,15 +621,15 @@ current_date_text() {
 current_date_text_to() {
     local -n output_ref="$1"; shift
 
-    if [ -z "$PHOTOALBUM_CURRENT_DATE_TEXT" ]; then
+    if [ -z "$SHURIKEN_CURRENT_DATE_TEXT" ]; then
         if random_seed_is_set; then
-            PHOTOALBUM_CURRENT_DATE_TEXT='Thu Jan  1 00:00:00 UTC 1970'
+            SHURIKEN_CURRENT_DATE_TEXT='Thu Jan  1 00:00:00 UTC 1970'
         else
-            PHOTOALBUM_CURRENT_DATE_TEXT=$(command date)
+            SHURIKEN_CURRENT_DATE_TEXT=$(command date)
         fi
     fi
 
-    output_ref="$PHOTOALBUM_CURRENT_DATE_TEXT"
+    output_ref="$SHURIKEN_CURRENT_DATE_TEXT"
 }
 
 current_timestamp_slug() {
@@ -1464,7 +1464,7 @@ cached_photo_identify_output() {
     local cached_signature=''
     local current_signature
 
-    cache_dir="$DIST_DIR/.photoalbum-cache/exif"
+    cache_dir="$DIST_DIR/.shuriken-cache/exif"
     cache_file="$cache_dir/$photo.txt"
     current_signature=$(photo_cache_signature "$photo" "$photo_path")
 
@@ -2153,7 +2153,7 @@ count_tree_files() {
 write_generation_metadata() {
     local -r tarball_file="$1"; shift
     local -r generated_at=$(current_timestamp_iso)
-    local -r config_source="${PHOTOALBUM_CONFIG_SOURCE:-}"
+    local -r config_source="${SHURIKEN_CONFIG_SOURCE:-}"
     local -r template_name=$(basename "$TEMPLATE_DIR")
     local -r source_image_count=$(count_incoming_images)
     local -r generated_photo_count=$(count_files "$DIST_DIR/photos")
@@ -2163,7 +2163,7 @@ write_generation_metadata() {
     {
         printf '{\n'
         printf '  "generator": {\n'
-        printf '    "name": "photoalbum",\n'
+        printf '    "name": "shuriken",\n'
         printf '    "version": %s\n' "$(_json_string "$VERSION")"
         printf '  },\n'
         printf '  "generated_at": %s,\n' "$(_json_string "$generated_at")"
@@ -2198,7 +2198,7 @@ write_generation_metadata() {
             "$(_json_string "${ORIGINAL_BASEPATH:-}")"
         printf '  }\n'
         printf '}\n'
-    } > "$DIST_DIR/photoalbum.json"
+    } > "$DIST_DIR/shuriken.json"
 }
 
 prepare_generation_photo_assets() {
@@ -2295,7 +2295,7 @@ dry_run() {
     fi
 
     printf 'Dry run: no files will be written.\n'
-    printf 'Config source: %s\n' "${PHOTOALBUM_CONFIG_SOURCE:-}"
+    printf 'Config source: %s\n' "${SHURIKEN_CONFIG_SOURCE:-}"
     printf 'Incoming directory: %s\n' "$INCOMING_DIR"
     printf 'Output directory: %s\n' "$DIST_DIR"
     printf 'Template directory: %s\n' "$TEMPLATE_DIR"
@@ -2330,7 +2330,7 @@ dry_run() {
             "$DIST_DIR" "$html_index_count"
     fi
     printf '  %s/favicon.ico\n' "$DIST_DIR"
-    printf '  %s/photoalbum.json\n' "$DIST_DIR"
+    printf '  %s/shuriken.json\n' "$DIST_DIR"
     printf '  %s/photos/* (%s image files)\n' "$DIST_DIR" "$image_count"
     printf '  %s/thumbs/* (%s image files)\n' "$DIST_DIR" "$image_count"
     printf '  %s/blurs/* (%s image files)\n' "$DIST_DIR" "$image_count"
@@ -2372,7 +2372,7 @@ print_config() {
     resolve_tar_opts tar_opts
     resolve_sync_destinations sync_destinations
 
-    print_shell_assignment CONFIG_SOURCE "${PHOTOALBUM_CONFIG_SOURCE:-}"
+    print_shell_assignment CONFIG_SOURCE "${SHURIKEN_CONFIG_SOURCE:-}"
     print_shell_assignment INCOMING_DIR "$INCOMING_DIR"
     print_shell_assignment DIST_DIR "$DIST_DIR"
     print_shell_assignment TEMPLATE_DIR "$TEMPLATE_DIR"
@@ -2432,7 +2432,7 @@ generation_staging_dir() {
     final_base=$(basename "$final_dist")
     staging_parent=$(existing_parent_dir "$final_dist")
 
-    mktemp -d "$staging_parent/.photoalbum.$final_base.staging.XXXXXX"
+    mktemp -d "$staging_parent/.shuriken.$final_base.staging.XXXXXX"
 }
 
 prepare_generation_staging_dir() {
@@ -2440,12 +2440,12 @@ prepare_generation_staging_dir() {
     local -r staging_dir="$1"; shift
     local cache_dir
 
-    if [ "$PHOTOALBUM_FORCE_GENERATE" = yes ]; then
+    if [ "$SHURIKEN_FORCE_GENERATE" = yes ]; then
         log_verbose 'Force generation enabled; not reusing existing output cache'
         return
     fi
 
-    for cache_dir in photos thumbs blurs .photoalbum-cache; do
+    for cache_dir in photos thumbs blurs .shuriken-cache; do
         if [ -d "$final_dist/$cache_dir" ]; then
             if ! mkdir -p "$staging_dir/$cache_dir"; then
                 return 1
@@ -2458,9 +2458,9 @@ prepare_generation_staging_dir() {
 }
 
 cleanup_generation_staging_dir() {
-    if [ -n "${PHOTOALBUM_ACTIVE_STAGING_DIR:-}" ]; then
-        rm -rf "$PHOTOALBUM_ACTIVE_STAGING_DIR"
-        PHOTOALBUM_ACTIVE_STAGING_DIR=''
+    if [ -n "${SHURIKEN_ACTIVE_STAGING_DIR:-}" ]; then
+        rm -rf "$SHURIKEN_ACTIVE_STAGING_DIR"
+        SHURIKEN_ACTIVE_STAGING_DIR=''
     fi
 }
 
@@ -2496,7 +2496,7 @@ wait_for_process_exit() {
 }
 
 terminate_active_generation() {
-    local -r pid="${PHOTOALBUM_ACTIVE_GENERATION_PID:-}"
+    local -r pid="${SHURIKEN_ACTIVE_GENERATION_PID:-}"
 
     if [ -z "$pid" ]; then
         return
@@ -2507,7 +2507,7 @@ terminate_active_generation() {
         terminate_process_tree KILL "$pid"
     fi
     wait "$pid" 2>/dev/null || true
-    PHOTOALBUM_ACTIVE_GENERATION_PID=''
+    SHURIKEN_ACTIVE_GENERATION_PID=''
 }
 
 handle_generation_staging_signal() {
@@ -2547,7 +2547,7 @@ replace_dist_with_staging() {
 
     if [ -e "$final_dist" ]; then
         if ! backup_parent=$(
-            mktemp -d "$staging_parent/.photoalbum.$final_base.backup.XXXXXX"
+            mktemp -d "$staging_parent/.shuriken.$final_base.backup.XXXXXX"
         ); then
             return 1
         fi
@@ -2593,7 +2593,7 @@ generate_staged() {
     staging_dir=$(generation_staging_dir "$final_dist")
     log_verbose "Effective output directory: $final_dist"
     log_verbose "Generation staging directory: $staging_dir"
-    PHOTOALBUM_ACTIVE_STAGING_DIR="$staging_dir"
+    SHURIKEN_ACTIVE_STAGING_DIR="$staging_dir"
     trap cleanup_generation_staging_dir EXIT
     trap 'handle_generation_staging_signal 130' INT
     trap 'handle_generation_staging_signal 143' TERM
@@ -2609,14 +2609,14 @@ generate_staged() {
     set +e
     (
         set -e
-        PHOTOALBUM_FINAL_DIST_DIR="$final_dist"
-        export PHOTOALBUM_FINAL_DIST_DIR
+        SHURIKEN_FINAL_DIST_DIR="$final_dist"
+        export SHURIKEN_FINAL_DIST_DIR
         DIST_DIR="$staging_dir" generate
     ) &
-    PHOTOALBUM_ACTIVE_GENERATION_PID=$!
-    wait "$PHOTOALBUM_ACTIVE_GENERATION_PID"
+    SHURIKEN_ACTIVE_GENERATION_PID=$!
+    wait "$SHURIKEN_ACTIVE_GENERATION_PID"
     status=$?
-    PHOTOALBUM_ACTIVE_GENERATION_PID=''
+    SHURIKEN_ACTIVE_GENERATION_PID=''
     set -e
 
     if (( status != 0 )); then
@@ -2637,7 +2637,7 @@ generate_staged() {
         return "$status"
     fi
 
-    PHOTOALBUM_ACTIVE_STAGING_DIR=''
+    SHURIKEN_ACTIVE_STAGING_DIR=''
     clear_generation_staging_traps
 }
 
@@ -2647,7 +2647,7 @@ resolve_config_file() {
     if [ -n "$config_file" ]; then
         printf '%s\n' "$config_file"
     else
-        printf '%s\n' ./photoalbum.conf
+        printf '%s\n' ./shuriken.conf
     fi
 }
 
@@ -2655,7 +2655,7 @@ missing_config() {
     local -r config_file="$1"; shift
 
     printf 'Error: Can not find config file %s\n' "$config_file" >&2
-    printf 'Run photoalbum --init to create ./photoalbum.conf.\n' >&2
+    printf 'Run shuriken --init to create ./shuriken.conf.\n' >&2
     exit 1
 }
 
@@ -2723,7 +2723,7 @@ require_config_var() {
     local -r name="$1"; shift
 
     if [ -z "${!name+x}" ] || [ -z "${!name}" ]; then
-        config_error "$name must be set in photoalbum configuration"
+        config_error "$name must be set in shuriken configuration"
     fi
 }
 
@@ -3032,16 +3032,16 @@ run_simple_action() {
     case "$action" in
         --version)
             if [[ -n "$config_file" || "$has_config_overrides" = 'yes' \
-                || "$PHOTOALBUM_FORCE_GENERATE" = yes ]]; then
+                || "$SHURIKEN_FORCE_GENERATE" = yes ]]; then
                 usage
                 exit 1
             fi
 
-            printf 'This is Photoalbum Version %s\n' "$VERSION"
+            printf 'This is Shuriken Version %s\n' "$VERSION"
             ;;
         --init)
             if [[ -n "$config_file" || "$has_config_overrides" = 'yes' \
-                || "$PHOTOALBUM_FORCE_GENERATE" = yes ]]; then
+                || "$SHURIKEN_FORCE_GENERATE" = yes ]]; then
                 usage
                 exit 1
             fi
@@ -3063,8 +3063,8 @@ load_configured_action() {
     apply_config_defaults
     apply_template_dir_default
     apply_cli_overrides
-    PHOTOALBUM_CONFIG_SOURCE="$rc_file"
-    export PHOTOALBUM_CONFIG_SOURCE
+    SHURIKEN_CONFIG_SOURCE="$rc_file"
+    export SHURIKEN_CONFIG_SOURCE
 }
 
 log_configured_action() {
@@ -3084,13 +3084,13 @@ log_configured_action() {
     log_verbose "Effective splash page setting: ${SPLASH_PAGE:-yes}"
     log_verbose "Effective tarball setting: ${TARBALL_INCLUDE:-no}"
     log_verbose "Effective sync delete setting: ${SYNC_DELETE:-yes}"
-    log_verbose "Effective force generation setting: $PHOTOALBUM_FORCE_GENERATE"
+    log_verbose "Effective force generation setting: $SHURIKEN_FORCE_GENERATE"
 }
 
 run_configured_action() {
     local rc_file
 
-    if [[ "$PHOTOALBUM_FORCE_GENERATE" = yes && "$action" != --generate ]]; then
+    if [[ "$SHURIKEN_FORCE_GENERATE" = yes && "$action" != --generate ]]; then
         usage
         exit 1
     fi
@@ -3146,7 +3146,7 @@ run_action() {
     esac
 }
 
-# PHOTOALBUM_LIB_SOURCES_END
+# SHURIKEN_LIB_SOURCES_END
 
 main() {
     local action=''
diff --git a/src/lib/action.source.sh b/src/lib/action.source.sh
index 01dc245..193aa4b 100644
--- a/src/lib/action.source.sh
+++ b/src/lib/action.source.sh
@@ -2,16 +2,16 @@ run_simple_action() {
     case "$action" in
         --version)
             if [[ -n "$config_file" || "$has_config_overrides" = 'yes' \
-                || "$PHOTOALBUM_FORCE_GENERATE" = yes ]]; then
+                || "$SHURIKEN_FORCE_GENERATE" = yes ]]; then
                 usage
                 exit 1
             fi
 
-            printf 'This is Photoalbum Version %s\n' "$VERSION"
+            printf 'This is Shuriken Version %s\n' "$VERSION"
             ;;
         --init)
             if [[ -n "$config_file" || "$has_config_overrides" = 'yes' \
-                || "$PHOTOALBUM_FORCE_GENERATE" = yes ]]; then
+                || "$SHURIKEN_FORCE_GENERATE" = yes ]]; then
                 usage
                 exit 1
             fi
@@ -33,8 +33,8 @@ load_configured_action() {
     apply_config_defaults
     apply_template_dir_default
     apply_cli_overrides
-    PHOTOALBUM_CONFIG_SOURCE="$rc_file"
-    export PHOTOALBUM_CONFIG_SOURCE
+    SHURIKEN_CONFIG_SOURCE="$rc_file"
+    export SHURIKEN_CONFIG_SOURCE
 }
 
 log_configured_action() {
@@ -54,13 +54,13 @@ log_configured_action() {
     log_verbose "Effective splash page setting: ${SPLASH_PAGE:-yes}"
     log_verbose "Effective tarball setting: ${TARBALL_INCLUDE:-no}"
     log_verbose "Effective sync delete setting: ${SYNC_DELETE:-yes}"
-    log_verbose "Effective force generation setting: $PHOTOALBUM_FORCE_GENERATE"
+    log_verbose "Effective force generation setting: $SHURIKEN_FORCE_GENERATE"
 }
 
 run_configured_action() {
     local rc_file
 
-    if [[ "$PHOTOALBUM_FORCE_GENERATE" = yes && "$action" != --generate ]]; then
+    if [[ "$SHURIKEN_FORCE_GENERATE" = yes && "$action" != --generate ]]; then
         usage
         exit 1
     fi
diff --git a/src/lib/album.source.sh b/src/lib/album.source.sh
index 704db34..29eff6b 100644
--- a/src/lib/album.source.sh
+++ b/src/lib/album.source.sh
@@ -145,7 +145,7 @@ cached_photo_identify_output() {
     local cached_signature=''
     local current_signature
 
-    cache_dir="$DIST_DIR/.photoalbum-cache/exif"
+    cache_dir="$DIST_DIR/.shuriken-cache/exif"
     cache_file="$cache_dir/$photo.txt"
     current_signature=$(photo_cache_signature "$photo" "$photo_path")
 
@@ -834,7 +834,7 @@ count_tree_files() {
 write_generation_metadata() {
     local -r tarball_file="$1"; shift
     local -r generated_at=$(current_timestamp_iso)
-    local -r config_source="${PHOTOALBUM_CONFIG_SOURCE:-}"
+    local -r config_source="${SHURIKEN_CONFIG_SOURCE:-}"
     local -r template_name=$(basename "$TEMPLATE_DIR")
     local -r source_image_count=$(count_incoming_images)
     local -r generated_photo_count=$(count_files "$DIST_DIR/photos")
@@ -844,7 +844,7 @@ write_generation_metadata() {
     {
         printf '{\n'
         printf '  "generator": {\n'
-        printf '    "name": "photoalbum",\n'
+        printf '    "name": "shuriken",\n'
         printf '    "version": %s\n' "$(_json_string "$VERSION")"
         printf '  },\n'
         printf '  "generated_at": %s,\n' "$(_json_string "$generated_at")"
@@ -879,7 +879,7 @@ write_generation_metadata() {
             "$(_json_string "${ORIGINAL_BASEPATH:-}")"
         printf '  }\n'
         printf '}\n'
-    } > "$DIST_DIR/photoalbum.json"
+    } > "$DIST_DIR/shuriken.json"
 }
 
 prepare_generation_photo_assets() {
@@ -976,7 +976,7 @@ dry_run() {
     fi
 
     printf 'Dry run: no files will be written.\n'
-    printf 'Config source: %s\n' "${PHOTOALBUM_CONFIG_SOURCE:-}"
+    printf 'Config source: %s\n' "${SHURIKEN_CONFIG_SOURCE:-}"
     printf 'Incoming directory: %s\n' "$INCOMING_DIR"
     printf 'Output directory: %s\n' "$DIST_DIR"
     printf 'Template directory: %s\n' "$TEMPLATE_DIR"
@@ -1011,7 +1011,7 @@ dry_run() {
             "$DIST_DIR" "$html_index_count"
     fi
     printf '  %s/favicon.ico\n' "$DIST_DIR"
-    printf '  %s/photoalbum.json\n' "$DIST_DIR"
+    printf '  %s/shuriken.json\n' "$DIST_DIR"
     printf '  %s/photos/* (%s image files)\n' "$DIST_DIR" "$image_count"
     printf '  %s/thumbs/* (%s image files)\n' "$DIST_DIR" "$image_count"
     printf '  %s/blurs/* (%s image files)\n' "$DIST_DIR" "$image_count"
diff --git a/src/lib/bootstrap.source.sh b/src/lib/bootstrap.source.sh
index 3e514fc..244cd55 100644
--- a/src/lib/bootstrap.source.sh
+++ b/src/lib/bootstrap.source.sh
@@ -37,11 +37,11 @@ USAGE
 }
 
 output_is_quiet() {
-    [ "$PHOTOALBUM_OUTPUT_MODE" = quiet ]
+    [ "$SHURIKEN_OUTPUT_MODE" = quiet ]
 }
 
 output_is_verbose() {
-    [ "$PHOTOALBUM_OUTPUT_MODE" = verbose ]
+    [ "$SHURIKEN_OUTPUT_MODE" = verbose ]
 }
 
 log_info() {
@@ -71,7 +71,7 @@ resolve_default_rc_file() {
     source_root=$(resolve_source_root)
 
     if [ -n "$source_root" ]; then
-        printf '%s\n' "$source_root/src/photoalbum.default.conf"
+        printf '%s\n' "$source_root/src/shuriken.default.conf"
         return
     fi
 
@@ -82,10 +82,10 @@ resolve_source_root() {
     local script_dir
     local source_root
 
-    script_dir="$PHOTOALBUM_SOURCE_DIR"
+    script_dir="$SHURIKEN_SOURCE_DIR"
     source_root=$(cd "$script_dir/.." && pwd)
 
-    if [[ -f "$source_root/src/photoalbum.default.conf" \
+    if [[ -f "$source_root/src/shuriken.default.conf" \
         && -d "$source_root/share/templates/default" ]]; then
         printf '%s\n' "$source_root"
     fi
@@ -149,7 +149,7 @@ apply_template_dir_default() {
 }
 
 init_config() {
-    local -r rc_file=photoalbum.conf
+    local -r rc_file=shuriken.conf
     local default_rc_file
     local rewritten_rc_file
     local source_root
@@ -171,7 +171,7 @@ init_config() {
 
     source_root=$(resolve_source_root)
     if [[ -n "$source_root" \
-        && "$default_rc_file" = "$source_root/src/photoalbum.default.conf" ]]; then
+        && "$default_rc_file" = "$source_root/src/shuriken.default.conf" ]]; then
         source_template_dir="$source_root/share/templates/default"
         rewritten_rc_file=$(mktemp "${rc_file}.XXXXXX")
         if ! awk -v template_dir="$source_template_dir" \
diff --git a/src/lib/config.source.sh b/src/lib/config.source.sh
index 200bac5..35624b7 100644
--- a/src/lib/config.source.sh
+++ b/src/lib/config.source.sh
@@ -23,7 +23,7 @@ print_config() {
     resolve_tar_opts tar_opts
     resolve_sync_destinations sync_destinations
 
-    print_shell_assignment CONFIG_SOURCE "${PHOTOALBUM_CONFIG_SOURCE:-}"
+    print_shell_assignment CONFIG_SOURCE "${SHURIKEN_CONFIG_SOURCE:-}"
     print_shell_assignment INCOMING_DIR "$INCOMING_DIR"
     print_shell_assignment DIST_DIR "$DIST_DIR"
     print_shell_assignment TEMPLATE_DIR "$TEMPLATE_DIR"
@@ -83,7 +83,7 @@ generation_staging_dir() {
     final_base=$(basename "$final_dist")
     staging_parent=$(existing_parent_dir "$final_dist")
 
-    mktemp -d "$staging_parent/.photoalbum.$final_base.staging.XXXXXX"
+    mktemp -d "$staging_parent/.shuriken.$final_base.staging.XXXXXX"
 }
 
 prepare_generation_staging_dir() {
@@ -91,12 +91,12 @@ prepare_generation_staging_dir() {
     local -r staging_dir="$1"; shift
     local cache_dir
 
-    if [ "$PHOTOALBUM_FORCE_GENERATE" = yes ]; then
+    if [ "$SHURIKEN_FORCE_GENERATE" = yes ]; then
         log_verbose 'Force generation enabled; not reusing existing output cache'
         return
     fi
 
-    for cache_dir in photos thumbs blurs .photoalbum-cache; do
+    for cache_dir in photos thumbs blurs .shuriken-cache; do
         if [ -d "$final_dist/$cache_dir" ]; then
             if ! mkdir -p "$staging_dir/$cache_dir"; then
                 return 1
@@ -109,9 +109,9 @@ prepare_generation_staging_dir() {
 }
 
 cleanup_generation_staging_dir() {
-    if [ -n "${PHOTOALBUM_ACTIVE_STAGING_DIR:-}" ]; then
-        rm -rf "$PHOTOALBUM_ACTIVE_STAGING_DIR"
-        PHOTOALBUM_ACTIVE_STAGING_DIR=''
+    if [ -n "${SHURIKEN_ACTIVE_STAGING_DIR:-}" ]; then
+        rm -rf "$SHURIKEN_ACTIVE_STAGING_DIR"
+        SHURIKEN_ACTIVE_STAGING_DIR=''
     fi
 }
 
@@ -147,7 +147,7 @@ wait_for_process_exit() {
 }
 
 terminate_active_generation() {
-    local -r pid="${PHOTOALBUM_ACTIVE_GENERATION_PID:-}"
+    local -r pid="${SHURIKEN_ACTIVE_GENERATION_PID:-}"
 
     if [ -z "$pid" ]; then
         return
@@ -158,7 +158,7 @@ terminate_active_generation() {
         terminate_process_tree KILL "$pid"
     fi
     wait "$pid" 2>/dev/null || true
-    PHOTOALBUM_ACTIVE_GENERATION_PID=''
+    SHURIKEN_ACTIVE_GENERATION_PID=''
 }
 
 handle_generation_staging_signal() {
@@ -198,7 +198,7 @@ replace_dist_with_staging() {
 
     if [ -e "$final_dist" ]; then
         if ! backup_parent=$(
-            mktemp -d "$staging_parent/.photoalbum.$final_base.backup.XXXXXX"
+            mktemp -d "