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fix: llm debugger tool call display

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This commit is contained in:
Richard Tang
2026-04-30 10:31:21 -07:00
parent d12d5b7e8b
commit cc4213a942
1 changed files with 56 additions and 12 deletions
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scripts/llm_timeline_viewer.py
+56 -12
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@@ -430,6 +430,7 @@ def _render_html(summaries: list[SessionSummary], initial_session_id: str) -> st
let activeSessionId = initialSessionId || (summaries[0] ? summaries[0].execution_id : "");
let activeRecords = [];
let activeEvents = [];
let activeToolMeta = new Map(); // tool_call_id -> {{toolName, isError, ...}}
let activeEventId = null;
const $ = (id) => document.getElementById(id);
@@ -504,15 +505,17 @@ def _render_html(summaries: list[SessionSummary], initial_session_id: str) -> st
* and tool_results that triggered turn N). Then we add an output event for
* the assistant text and one event per tool_call from this turn.
*/
function buildEvents(records) {{
// Build a global tool_use_id -> {{startTs, durationS, toolName, isError}}
// map across ALL turns. The records use OpenAI-style envelopes:
// - assistant message: {{role, content: null, tool_calls: [{{id, function:{{name,arguments}}}}]}}
// - tool message: {{role:"tool", tool_call_id, content}}
// rec.tool_calls carries each invocation's real start_timestamp + duration_s,
// which is what we need so tool_uses sit at their actual execution time
// (not the much later "turn was logged" wall clock) and tool_results
// sit just after their matching call.
/**
* Build a global tool_use_id -> {{startTs, durationS, toolName, isError}}
* map across ALL turns. The records use OpenAI-style envelopes:
* - assistant message: {{role, content: null, tool_calls: [{{id, function:{{name,arguments}}}}]}}
* - tool message: {{role:"tool", tool_call_id, content}}
* rec.tool_calls carries each invocation's real start_timestamp + duration_s,
* which is what we need so tool_uses sit at their actual execution time
* (not the much later "turn was logged" wall clock) and tool_results
* sit just after their matching call.
*/
function buildToolMeta(records) {{
const toolMeta = new Map();
for (const rec of records) {{
for (const tc of (rec.tool_calls || [])) {{
@@ -526,6 +529,10 @@ def _render_html(summaries: list[SessionSummary], initial_session_id: str) -> st
}});
}}
}}
return toolMeta;
}}
function buildEvents(records, toolMeta) {{
const addSeconds = (iso, sec) => {{
if (!iso) return iso;
const d = new Date(iso);
@@ -782,15 +789,51 @@ def _render_html(summaries: list[SessionSummary], initial_session_id: str) -> st
</div>`;
// Messages section: highlight the message this event refers to (if any).
// Use the SAME semantic labels the timeline uses — an assistant message
// with tool_calls is a tool_use, a `tool` role message is a tool_result.
// Render each message's BODY in the most informative way for its kind:
// - user / system / asst-text: show content as plain text (wrapping
// it in a JSON envelope obscures readable prose)
// - assistant tool_calls: show the tool_calls array (content is null)
// - tool result: show content (tool_call_id is already in the badge)
const msgHtml = messages.map((m, idx) => {{
const hl = idx === event.messageIndex ? " hl-msg scroll-target" : "";
const role = String(m.role || "?");
let kind = role === "tool" ? "tool_result"
: role === "assistant" ? "assistant"
: role === "system" ? "system" : "user";
let label = role;
let bodyHtml = "";
if (role === "assistant" && Array.isArray(m.tool_calls) && m.tool_calls.length) {{
kind = "tool_use";
const names = m.tool_calls
.map((tc) => (tc.function && tc.function.name) || tc.tool_name || "?")
.join(", ");
label = `tool_use · ${{names}}`;
bodyHtml = `<pre class="json">${{escapeHtml(JSON.stringify(m.tool_calls, null, 2))}}</pre>`;
if (typeof m.content === "string" && m.content.trim()) {{
// Rare but possible: assistant message with both text + tool_calls.
bodyHtml = `<pre class="text">${{escapeHtml(m.content)}}</pre>` + bodyHtml;
}}
}} else if (role === "tool") {{
const meta = activeToolMeta.get(m.tool_call_id || "");
label = meta ? `tool_result · ${{meta.toolName}}` : "tool_result";
const c = m.content;
bodyHtml = typeof c === "string"
? `<pre class="text">${{escapeHtml(c)}}</pre>`
: `<pre class="json">${{escapeHtml(JSON.stringify(c, null, 2))}}</pre>`;
}} else {{
const c = m.content;
bodyHtml = typeof c === "string"
? `<pre class="text">${{escapeHtml(c)}}</pre>`
: `<pre class="json">${{escapeHtml(JSON.stringify(c, null, 2))}}</pre>`;
}}
return `<div class="msg${{hl}}" id="msg-${{idx}}">
<div class="msg-head">
<span class="badge kind-${{role === "tool" ? "tool_result" : (role === "assistant" ? "assistant" : (role === "system" ? "system" : "user"))}}">${{escapeHtml(role)}}</span>
<span class="badge kind-${{kind}}">${{escapeHtml(label)}}</span>
<span class="iter">[${{idx}}]</span>
</div>
<pre class="json">${{escapeHtml(JSON.stringify(m.content, null, 2))}}</pre>
${{bodyHtml}}
</div>`;
}}).join("") || '<div class="empty">No messages.</div>';
@@ -865,7 +908,8 @@ def _render_html(summaries: list[SessionSummary], initial_session_id: str) -> st
}}
if (activeSessionId !== sid) return;
activeRecords = records || [];
activeEvents = buildEvents(activeRecords);
activeToolMeta = buildToolMeta(activeRecords);
activeEvents = buildEvents(activeRecords, activeToolMeta);
renderTimeline();
$("raw").innerHTML = '<div class="empty">Click any event on the left to view the raw request payload.</div>';
history.replaceState(null, "", `#${{encodeURIComponent(sid)}}`);