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fix(agent): align tools + preserve indentation

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This commit is contained in:
Peter Steinberger
2026-01-05 17:55:20 +00:00
parent 196eb86e38
commit 7c89ce93b5
12 changed files with 88 additions and 46 deletions
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40
src/agents/pi-embedded-subscribe.ts
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@@ -284,30 +284,42 @@ export function subscribeEmbeddedPiSession(params: {
const isSafeBreak = (spans: FenceSpan[], index: number): boolean =>
!findFenceSpanAt(spans, index);
const pickSoftBreakIndex = (buffer: string): BreakResult => {
const stripLeadingNewlines = (value: string): string => {
let i = 0;
while (i < value.length && value[i] === "\n") i++;
return i > 0 ? value.slice(i) : value;
};
const pickSoftBreakIndex = (
buffer: string,
minCharsOverride?: number,
): BreakResult => {
if (!blockChunking) return { index: -1 };
const minChars = Math.max(1, Math.floor(blockChunking.minChars));
const minChars = Math.max(
1,
Math.floor(minCharsOverride ?? blockChunking.minChars),
);
if (buffer.length < minChars) return { index: -1 };
const fenceSpans = parseFenceSpans(buffer);
const preference = blockChunking.breakPreference ?? "paragraph";
if (preference === "paragraph") {
let paragraphIdx = buffer.lastIndexOf("\n\n");
while (paragraphIdx >= minChars) {
if (isSafeBreak(fenceSpans, paragraphIdx)) {
let paragraphIdx = buffer.indexOf("\n\n");
while (paragraphIdx !== -1) {
if (paragraphIdx >= minChars && isSafeBreak(fenceSpans, paragraphIdx)) {
return { index: paragraphIdx };
}
paragraphIdx = buffer.lastIndexOf("\n\n", paragraphIdx - 1);
paragraphIdx = buffer.indexOf("\n\n", paragraphIdx + 2);
}
}
if (preference === "paragraph" || preference === "newline") {
let newlineIdx = buffer.lastIndexOf("\n");
while (newlineIdx >= minChars) {
if (isSafeBreak(fenceSpans, newlineIdx)) {
let newlineIdx = buffer.indexOf("\n");
while (newlineIdx !== -1) {
if (newlineIdx >= minChars && isSafeBreak(fenceSpans, newlineIdx)) {
return { index: newlineIdx };
}
newlineIdx = buffer.lastIndexOf("\n", newlineIdx - 1);
newlineIdx = buffer.indexOf("\n", newlineIdx + 1);
}
}
@@ -422,7 +434,7 @@ export function subscribeEmbeddedPiSession(params: {
) {
const breakResult =
force && blockBuffer.length <= maxChars
? pickSoftBreakIndex(blockBuffer)
? pickSoftBreakIndex(blockBuffer, 1)
: pickBreakIndex(blockBuffer);
if (breakResult.index <= 0) {
if (force) {
@@ -434,7 +446,9 @@ export function subscribeEmbeddedPiSession(params: {
const breakIdx = breakResult.index;
let rawChunk = blockBuffer.slice(0, breakIdx);
if (rawChunk.trim().length === 0) {
blockBuffer = blockBuffer.slice(breakIdx).trimStart();
blockBuffer = stripLeadingNewlines(
blockBuffer.slice(breakIdx),
).trimStart();
continue;
}
let nextBuffer = blockBuffer.slice(breakIdx);
@@ -457,7 +471,7 @@ export function subscribeEmbeddedPiSession(params: {
breakIdx < blockBuffer.length && /\s/.test(blockBuffer[breakIdx])
? breakIdx + 1
: breakIdx;
blockBuffer = blockBuffer.slice(nextStart).trimStart();
blockBuffer = stripLeadingNewlines(blockBuffer.slice(nextStart));
}
if (blockBuffer.length < minChars && !force) return;
if (blockBuffer.length < maxChars && !force) return;