fix: correct regex pattern for context length detection in agent.py

frostming · frostming · commit e78810480547 · 2026-04-26T16:41:48.000+08:00
Signed-off-by: Frost Ming &lt;me@frostming.com&gt;
diff --git a/src/bub/builtin/agent.py b/src/bub/builtin/agent.py
@@ -41,7 +41,7 @@
 CONTINUE_PROMPT = "Continue the task."
 HINT_RE = re.compile(r"\$([A-Za-z0-9_.-]+)")
 _CONTEXT_LENGTH_PATTERNS = re.compile(
-    r"context.{0,20}length|maximum.{0,20}context|token.{0,10}limit|prompt.{0,10}too long|tokens? > \d+ maximum",
+    r"context.{0,20}(?:length|window)|maximum.{0,20}context|token.{0,10}limit|prompt.{0,10}too long|tokens? > \d+ maximum",
     re.IGNORECASE,
 )
 MAX_AUTO_HANDOFF_RETRIES = 1

Original file line number	Diff line number	Diff line change
`@@ -41,7 +41,7 @@`
`41`	`41`	`CONTINUE_PROMPT = "Continue the task."`
`42`	`42`	`HINT_RE = re.compile(r"\$([A-Za-z0-9_.-]+)")`
`43`	`43`	`_CONTEXT_LENGTH_PATTERNS = re.compile(`
`44`		`- r"context.{0,20}length\|maximum.{0,20}context\|token.{0,10}limit\|prompt.{0,10}too long\|tokens? > \d+ maximum",`
	`44`	`+ r"context.{0,20}(?:length\|window)\|maximum.{0,20}context\|token.{0,10}limit\|prompt.{0,10}too long\|tokens? > \d+ maximum",`
`45`	`45`	`re.IGNORECASE,`
`46`	`46`	`)`
`47`	`47`	`MAX_AUTO_HANDOFF_RETRIES = 1`