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-rw-r--r--modules/core/module-aiassist.js44
1 files changed, 42 insertions, 2 deletions
diff --git a/modules/core/module-aiassist.js b/modules/core/module-aiassist.js
index ac8d297..9965e6a 100644
--- a/modules/core/module-aiassist.js
+++ b/modules/core/module-aiassist.js
@@ -1322,6 +1322,41 @@ buildSystemPrompt() {
}
return result.substring(0, maxLen) + '...(truncated from ' + result.length + ' chars)';
}
+ // MAINT-023: one agentic turn used to grow without limit — every role:'tool' body was
+ // pushed verbatim and only this.context was trimmed BETWEEN turns, so a measured turn
+ // went 6 → 112 705 tokens across 8 model calls (maxContextTokens is 12 000). Two
+ // limits keep a single turn inside the window: clip each observation as it arrives,
+ // and elide the oldest ones once the running total passes the budget.
+ _clipToolResult(result) {
+ const text = typeof result === 'string' ? result : JSON.stringify(result);
+ const max = this.maxToolResultChars || 6000;
+ if (!text || text.length <= max) return text;
+ return text.slice(0, max)
+ + '\n…[clipped: ' + (text.length - max) + ' of ' + text.length
+ + ' chars withheld — re-read with offset/limit if you need the rest]';
+ }
+ _boundToolContext(messages) {
+ const keepVerbatim = this.toolResultsVerbatim || 4;
+ const budget = this.toolContextBudgetChars || 24000;
+ const idx = [];
+ for (let i = 0; i < messages.length; i++) {
+ if (messages[i] && messages[i].role === 'tool') idx.push(i);
+ }
+ if (!idx.length) return messages;
+ const recent = new Set(idx.slice(-keepVerbatim));
+ let total = 0;
+ for (const i of idx) total += String(messages[i].content || '').length;
+ // Oldest first, never the recent few: those are what the model is working on.
+ for (const i of idx) {
+ if (total <= budget) break;
+ if (recent.has(i)) continue;
+ const len = String(messages[i].content || '').length;
+ const stub = '[earlier tool result elided — ' + len + ' chars; call the tool again if you still need it]';
+ messages[i].content = stub;
+ total -= len - stub.length;
+ }
+ return messages;
+ }
// 2026-10-21: tool results lived only inside the current turn, so the next turn
// had no idea what the model had already read or run. Keep a compact per-turn
// trace (per agent tag) and persist it into the session context.
@@ -1552,6 +1587,8 @@ buildSystemPrompt() {
messages.push({ role: 'system', content: finalPrompt });
}
const thinkStart = Date.now();
+ // MAINT-023: keep the in-flight tool context bounded before every model call.
+ this._boundToolContext(messages);
const res = await this.terminal.ollamaManager.chatWithTools(messages, this.getToolDefinitions());
const thinkTime = Math.round((Date.now() - thinkStart) / 1000);
// Store raw response for debug-ai-last
@@ -1721,7 +1758,9 @@ buildSystemPrompt() {
_eR.lastResult = typeof toolResult === 'string' ? toolResult : JSON.stringify(toolResult);
}
} catch (_e) {}
- messages.push({ role: 'tool', tool_call_id: tc.id, content: toolResult });
+ // MAINT-023: clip on the way in — a single read_file page is 16 000
+ // chars and several of them used to enter the context verbatim.
+ messages.push({ role: 'tool', tool_call_id: tc.id, content: this._clipToolResult(toolResult) });
this._noteObservation(fn.name, fn.arguments, toolResult, _agentTag);
}
// Only block on destructive tools
@@ -1796,7 +1835,8 @@ buildSystemPrompt() {
_eD.lastResult = typeof toolResult === 'string' ? toolResult : JSON.stringify(toolResult);
}
} catch (_e) {}
- messages.push({ role: 'tool', tool_call_id: tc.id, content: toolResult });
+ // MAINT-023: clip on the way in (same rule as the main loop).
+ messages.push({ role: 'tool', tool_call_id: tc.id, content: this._clipToolResult(toolResult) });
this._noteObservation(fn.name, fn.arguments, toolResult, _agentTag);
}
} else {