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refactor: remove debug logs and simplify truncation state

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- Remove all debug console.log statements
- Remove isContinuationModeRef, derive from partialXmlRef.current.length > 0
This commit is contained in:
dayuan.jiang
2025-12-14 11:15:26 +09:00
parent 43139a5ef0
commit 9068f608bf
1 changed files with 5 additions and 146 deletions
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151
components/chat-panel.tsx
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@@ -85,11 +85,7 @@ function hasToolErrors(messages: ChatMessage[]): boolean {
}
const lastToolPart = toolParts[toolParts.length - 1]
const hasError = lastToolPart?.state === TOOL_ERROR_STATE
console.log(
`[hasToolErrors] lastToolPart state: ${lastToolPart?.state}, hasError: ${hasError}`,
)
return hasError
return lastToolPart?.state === TOOL_ERROR_STATE
}
export default function ChatPanel({
@@ -198,12 +194,9 @@ export default function ChatPanel({
const autoRetryCountRef = useRef(0)
// Ref to accumulate partial XML when output is truncated due to maxOutputTokens
// When partialXmlRef.current.length > 0, we're in continuation mode
const partialXmlRef = useRef<string>("")
// Ref to track if we're in continuation mode (truncation, not error)
// This allows unlimited retries for continuation vs limited for errors
const isContinuationModeRef = useRef(false)
// Persist processed tool call IDs so collapsing the chat doesn't replay old tool outputs
const processedToolCallsRef = useRef<Set<string>>(new Set())
@@ -229,55 +222,15 @@ export default function ChatPanel({
if (toolCall.toolName === "display_diagram") {
const { xml } = toolCall.input as { xml: string }
// Always log truncation-related info for debugging
console.log(`[display_diagram] === TRUNCATION DEBUG ===`)
console.log(
`[display_diagram] Received XML length: ${xml.length}`,
)
console.log(
`[display_diagram] XML starts with: ${xml.substring(0, 100)}...`,
)
console.log(
`[display_diagram] XML ends with: ...${xml.substring(xml.length - 100)}`,
)
console.log(
`[display_diagram] Has </root>: ${xml.includes("</root>")}`,
)
console.log(
`[display_diagram] partialXmlRef.current length: ${partialXmlRef.current.length}`,
)
// Check if XML is truncated (missing </root> indicates incomplete output)
// This happens when maxOutputTokens is reached mid-generation
const isTruncated =
!xml.includes("</root>") && !xml.trim().endsWith("/>")
// Check if this is a fresh start vs a continuation
// Fresh start indicators: <mxGraphModel>, <root>, or <mxCell id="0"
const isFreshStart =
xml.trim().startsWith("<mxGraphModel") ||
xml.trim().startsWith("<root") ||
xml.trim().startsWith('<mxCell id="0"')
const hadPreviousPartial = partialXmlRef.current.length > 0
console.log(`[display_diagram] isTruncated: ${isTruncated}`)
console.log(`[display_diagram] isFreshStart: ${isFreshStart}`)
console.log(
`[display_diagram] hadPreviousPartial: ${hadPreviousPartial}`,
)
if (isTruncated) {
// Store the partial XML for continuation via append_diagram
// Always reset to current xml since this is the first truncation
partialXmlRef.current = xml
isContinuationModeRef.current = true // Mark as continuation (not error)
console.log(
`[display_diagram] XML truncated (${xml.length} chars). Instructing LLM to use append_diagram.`,
)
// Tell LLM to use append_diagram to continue
// Use "output-error" to trigger auto-retry, but isContinuationModeRef tracks it's not a real error
const partialEnding = partialXmlRef.current.slice(-500)
addToolOutput({
tool: "display_diagram",
@@ -358,27 +311,13 @@ ${finalXml}
let currentXml = ""
try {
console.log("[edit_diagram] Starting...")
// Use chartXML from ref directly - more reliable than export
// especially on Vercel where DrawIO iframe may have latency issues
// Using ref to avoid stale closure in callback
const cachedXML = chartXMLRef.current
if (cachedXML) {
currentXml = cachedXML
console.log(
"[edit_diagram] Using cached chartXML, length:",
currentXml.length,
)
} else {
// Fallback to export only if no cached XML
console.log(
"[edit_diagram] No cached XML, fetching from DrawIO...",
)
currentXml = await onFetchChart(false)
console.log(
"[edit_diagram] Got XML from export, length:",
currentXml.length,
)
}
const { replaceXMLParts } = await import("@/lib/utils")
@@ -412,7 +351,6 @@ Please fix the edit to avoid structural issues (e.g., duplicate IDs, invalid ref
toolCallId: toolCall.toolCallId,
output: `Successfully applied ${edits.length} edit(s) to the diagram.`,
})
console.log("[edit_diagram] Success")
} catch (error) {
console.error("[edit_diagram] Failed:", error)
@@ -437,20 +375,6 @@ Please retry with an adjusted search pattern or use display_diagram if retries a
} else if (toolCall.toolName === "append_diagram") {
const { xml } = toolCall.input as { xml: string }
console.log(`[append_diagram] === APPEND DEBUG ===`)
console.log(
`[append_diagram] Received fragment length: ${xml.length}`,
)
console.log(
`[append_diagram] Fragment starts with: ${xml.substring(0, 100)}...`,
)
console.log(
`[append_diagram] Fragment ends with: ...${xml.substring(xml.length - 100)}`,
)
console.log(
`[append_diagram] Current partialXmlRef length: ${partialXmlRef.current.length}`,
)
// Detect if LLM incorrectly started fresh instead of continuing
const isFreshStart =
xml.trim().startsWith("<mxGraphModel") ||
@@ -458,9 +382,6 @@ Please retry with an adjusted search pattern or use display_diagram if retries a
xml.trim().startsWith('<mxCell id="0"')
if (isFreshStart) {
console.warn(
`[append_diagram] LLM started fresh instead of continuing! Rejecting.`,
)
addToolOutput({
tool: "append_diagram",
toolCallId: toolCall.toolCallId,
@@ -479,32 +400,19 @@ Start your continuation with the NEXT character after where it stopped.`,
// Append to accumulated XML
partialXmlRef.current += xml
console.log(
`[append_diagram] After append, total length: ${partialXmlRef.current.length}`,
)
// Check if XML is now complete
const isComplete = partialXmlRef.current.includes("</root>")
console.log(`[append_diagram] isComplete: ${isComplete}`)
if (isComplete) {
// Wrap and display the complete diagram
const finalXml = partialXmlRef.current
partialXmlRef.current = "" // Reset
isContinuationModeRef.current = false // Continuation complete
console.log(
`[append_diagram] XML complete! Final length: ${finalXml.length}`,
)
const fullXml = wrapWithMxFile(finalXml)
const validationError = onDisplayChart(fullXml)
if (validationError) {
console.warn(
`[append_diagram] Validation error after assembly:`,
validationError,
)
addToolOutput({
tool: "append_diagram",
toolCallId: toolCall.toolCallId,
@@ -519,9 +427,6 @@ ${finalXml.substring(0, 2000)}...
Please use display_diagram with corrected XML.`,
})
} else {
console.log(
`[append_diagram] Success! Diagram displayed.`,
)
addToolOutput({
tool: "append_diagram",
toolCallId: toolCall.toolCallId,
@@ -529,11 +434,7 @@ Please use display_diagram with corrected XML.`,
})
}
} else {
// Still incomplete - signal to continue (stay in continuation mode)
console.log(
`[append_diagram] Still incomplete, asking for more.`,
)
// isContinuationModeRef.current stays true
// Still incomplete - signal to continue
addToolOutput({
tool: "append_diagram",
toolCallId: toolCall.toolCallId,
@@ -600,11 +501,6 @@ Continue from EXACTLY where you stopped.`,
| Record<string, unknown>
| undefined
// Log finish reason for debugging truncation
console.log(`[onFinish] === FINISH DEBUG ===`)
console.log(`[onFinish] finishReason: ${metadata?.finishReason}`)
console.log(`[onFinish] outputTokens: ${metadata?.outputTokens}`)
if (metadata) {
// Use Number.isFinite to guard against NaN (typeof NaN === 'number' is true)
const inputTokens = Number.isFinite(metadata.inputTokens)
@@ -621,91 +517,55 @@ Continue from EXACTLY where you stopped.`,
}
},
sendAutomaticallyWhen: ({ messages }) => {
console.log(`[sendAutomaticallyWhen] === RETRY DEBUG ===`)
console.log(
`[sendAutomaticallyWhen] isContinuationMode: ${isContinuationModeRef.current}`,
)
console.log(
`[sendAutomaticallyWhen] partialXmlRef.current length: ${partialXmlRef.current.length}`,
)
console.log(
`[sendAutomaticallyWhen] autoRetryCountRef.current: ${autoRetryCountRef.current}`,
)
const isInContinuationMode = partialXmlRef.current.length > 0
const shouldRetry = hasToolErrors(
messages as unknown as ChatMessage[],
)
console.log(`[sendAutomaticallyWhen] hasToolErrors: ${shouldRetry}`)
if (!shouldRetry) {
// No error, reset retry count and clear state
console.log(
`[sendAutomaticallyWhen] No errors - resetting state`,
)
autoRetryCountRef.current = 0
partialXmlRef.current = ""
isContinuationModeRef.current = false
return false
}
// Continuation mode: unlimited retries (truncation continuation, not real errors)
// Server limits to 5 steps via stepCountIs(5)
if (isContinuationModeRef.current) {
console.log(
`[sendAutomaticallyWhen] Continuation mode - allowing retry without counting`,
)
if (isInContinuationMode) {
// Don't count against retry limit for continuation
// Quota checks still apply below
} else {
// Regular error: check retry count limit
if (autoRetryCountRef.current >= MAX_AUTO_RETRY_COUNT) {
console.log(
`[sendAutomaticallyWhen] Max error retry count (${MAX_AUTO_RETRY_COUNT}) reached, stopping`,
)
toast.error(
`Auto-retry limit reached (${MAX_AUTO_RETRY_COUNT}). Please try again manually.`,
)
autoRetryCountRef.current = 0
partialXmlRef.current = ""
isContinuationModeRef.current = false
return false
}
// Increment retry count for actual errors
autoRetryCountRef.current++
console.log(
`[sendAutomaticallyWhen] Error retry ${autoRetryCountRef.current}/${MAX_AUTO_RETRY_COUNT}`,
)
}
// Check quota limits before auto-retry
const tokenLimitCheck = quotaManager.checkTokenLimit()
if (!tokenLimitCheck.allowed) {
console.log(
"[sendAutomaticallyWhen] Token limit exceeded, stopping",
)
quotaManager.showTokenLimitToast(tokenLimitCheck.used)
autoRetryCountRef.current = 0
partialXmlRef.current = ""
isContinuationModeRef.current = false
return false
}
const tpmCheck = quotaManager.checkTPMLimit()
if (!tpmCheck.allowed) {
console.log(
"[sendAutomaticallyWhen] TPM limit exceeded, stopping",
)
quotaManager.showTPMLimitToast()
autoRetryCountRef.current = 0
partialXmlRef.current = ""
isContinuationModeRef.current = false
return false
}
// Allow retry
console.log(
`[sendAutomaticallyWhen] Allowing retry${isContinuationModeRef.current ? " [continuation mode]" : ""}`,
)
return true
},
})
@@ -1053,7 +913,6 @@ Continue from EXACTLY where you stopped.`,
// Reset all retry/continuation state on user-initiated message
autoRetryCountRef.current = 0
partialXmlRef.current = ""
isContinuationModeRef.current = false
const config = getAIConfig()