show used images in CLI and bot; caption cmdline in bot

cli/collages.ts

@@ -22,6 +22,10 @@ export class ProxyImage implements CollageImage {
     }
   }
 
+  public get path(): string | null {
+    return this.filepath;
+  }
+
   public get image(): Image {
     if (!this._image) {
       const image = canvasKit.MakeImageFromEncoded(

cli/main.ts

@@ -94,6 +94,7 @@ if (modeKey === "recursive") {
     images,
   );
   mode.place(context, images, segments);
+  console.log(`Used: ${images.slice(0, segments.length).map((img) => img.path).join(", ")}`)
 }
 
 const output = args["output"];

tgbot/kollagen-bot/main.py

@@ -26,7 +26,7 @@ class KollagenBot:
     ) -> None:
         self.logger = logging.getLogger("kollagen")
         self.kollagen_path = kollagen_path
-        self.base_dir = base_dir
+        self.base_dir = os.path.abspath(base_dir) if base_dir else None
 
         self._init_parser()
 
@@ -174,14 +174,36 @@ class KollagenBot:
                 "-o",
                 ntf.name,
             ]
+
             self.logger.debug(f"Running: " + str(shell_cmd_line))
-            subprocess.run(
+            result = subprocess.run(
                 shell_cmd_line,
                 check=True,
                 capture_output=True,
             )
             ntf.seek(0)
-            update.message.reply_photo(ntf)
+
+            used_line = next(
+                (
+                    line
+                    for line in result.stdout.decode("utf-8").splitlines()
+                    if line.startswith("Used: ")
+                ),
+                "",
+            ).replace(f"{self.base_dir}/" if self.base_dir else "", "")
+
+            caption = ""
+            caption += (
+                f"`{' '.join(['/generate', *cmd_line])}`\n" if len(cmd_line) else ""
+            )
+            caption += used_line.replace("_", "\\_")
+            caption = caption[:200]
+
+            update.message.reply_photo(
+                ntf,
+                caption=caption,
+                parse_mode=ParseMode.MARKDOWN,
+            )
             return True
 
     def tg_help(self, update: Update, context: CallbackContext):