fix: handle yuyar typo variant of yuyay-response tags

Models occasionally misspell yuyay as yuyar since it's a made-up word.
Use [yr] character class in all regexes and partial tag prefixes.

src/mnemosyne/gateway.py

@@ -72,13 +72,20 @@ import re as _re
 # streaming responses and executes the contained ops in real-time.
 # ---------------------------------------------------------------------------
 
-_TAG_OPEN_RE = _re.compile(r"<(memory_cleanup|yuyay-response)")
-_TAG_CLOSE_RE = _re.compile(r"</(memory_cleanup|yuyay-response)>")
+_TAG_OPEN_RE = _re.compile(r"<(memory_cleanup|yuya[yr]-response)")
+_TAG_CLOSE_RE = _re.compile(r"</(memory_cleanup|yuya[yr]-response)>")
 
 # Matches a trailing '<' optionally followed by a prefix of a known tag name
 # or '</'.  Used to detect partial tag openers that arrive split across SSE
 # text deltas (e.g. "<y", "<mem", "</memory_cl").
-_KNOWN_TAG_PREFIXES = ("memory_cleanup", "yuyay-response", "/memory_cleanup", "/yuyay-response")
+_KNOWN_TAG_PREFIXES = (
+    "memory_cleanup",
+    "yuyay-response",
+    "yuyar-response",
+    "/memory_cleanup",
+    "/yuyay-response",
+    "/yuyar-response",
+)
 
 
 def _has_partial_tag(buf: str) -> bool:

src/mnemosyne/tags.py

@@ -166,7 +166,7 @@ def parse_cleanup_tags(text: str) -> CleanupOps:
 
 # Match <yuyay-response>...</yuyay-response> blocks
 _YUYAY_RESPONSE_PATTERN = re.compile(
-    r"<yuyay-response>\s*(.*?)\s*</yuyay-response>",
+    r"<yuya[yr]-response>\s*(.*?)\s*</yuya[yr]-response>",
     re.DOTALL,
 )