v0.10.0:1 - hotfix: merge function now joins words with proper spacing

Smoke testing v0.10.0:0 against a real anarlog audio.mp3 showed the
output running words together: "I'mrecordingrightnow", "don'tyoutry".

Root cause: _merge_words_with_speakers was doing "".join(cur_words),
assuming Parakeet returns words with leading whitespace (which the
hyprnote local Parakeet does, but the Spark-hosted Parakeet does not).

Rewrote the join with a small helper that:
  - Strips each token (handles both leading-space and no-leading-space
    word formats)
  - Joins with a single space
  - Keeps punctuation tight — no space before period/comma/colon/etc.

Verified post-install with the same test audio:
  [00:06] Speaker_0: I'm I'm recording right now.
  [00:18] Speaker_1: you're you're on your computer and your phone, right?

No other changes — Parakeet container patches and the endpoint shape
stay identical.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

image/app/audio_proxy.py

@@ -344,6 +344,24 @@ def _merge_words_with_speakers(words: list[dict], diar_turns: list[dict]) -> lis
         return []
     SILENCE_BREAK_S = 1.5
 
+    def _join_words(parts: list[str]) -> str:
+        """Join word tokens with proper spacing. Different STT outputs vary —
+        some include leading spaces in the word text (' morning'), some don't
+        ('morning'). Normalize by stripping each token then joining with one
+        space; collapse multiple spaces. Keeps punctuation tight (no space
+        before period/comma/etc.)."""
+        cleaned = [p.strip() for p in parts if p and p.strip()]
+        if not cleaned:
+            return ""
+        out = cleaned[0]
+        for token in cleaned[1:]:
+            # No leading space before pure-punctuation tokens
+            if token and token[0] in ".,;:!?)]}'\"":
+                out += token
+            else:
+                out += " " + token
+        return out
+
     blocks: list[dict] = []
     cur_words: list[str] = []
     cur_speaker: Optional[str] = None
@@ -367,7 +385,7 @@ def _merge_words_with_speakers(words: list[dict], diar_turns: list[dict]) -> lis
                     "start_ms": int(cur_start_s * 1000),
                     "end_ms": int(cur_end_s * 1000),
                     "speaker": cur_speaker,
-                    "text": "".join(cur_words).strip(),
+                    "text": _join_words(cur_words),
                 })
             cur_words = [wt]
             cur_speaker = spk
@@ -382,7 +400,7 @@ def _merge_words_with_speakers(words: list[dict], diar_turns: list[dict]) -> lis
             "start_ms": int(cur_start_s * 1000),
             "end_ms": int(cur_end_s * 1000),
             "speaker": cur_speaker,
-            "text": "".join(cur_words).strip(),
+            "text": _join_words(cur_words),
         })
 
     return blocks