feat: add AI chat sidebar for log analysis by georgexu99 · Pull Request #312 · tinyspeck/sleuth

georgexu99 · 2026-04-09T00:33:44Z

This PR adds an AI assistant sidebar powered by Claude via AWS Bedrock that helps engineers find and diagnose bugs in Slack desktop log files.

The assistant can search/read loaded logs, read state files, search configured codebase directories, and pull in architectural context from webapp, slack-desktop, and electron repos.

Screenshare.-.2026-04-08.5_37_47.PM.mp4

yarn lock is 5k lines due to the anthropic sdk, the bedrock sdk and some remark and markdown plugins

things that we have added:

AI chat panel with streaming responses and markdown rendering
tools that our ai can use: list_log_files, read/search_log_entries, read_state_file as well as read_repo_context tool with local-first + GitHub remote fallback (for electron/electron and other public repos)
Codebase search/read tools gated behind Preferences directory config: users can manually add folders in which the ai can search within
auth: this uses AWS SSO auth via fma-sso-assume-role just like slack claude/slack tend. This whole feature is hidden from users if they don't have the necessary toggles/roles
Resizable sidebar, keyboard shortcut (Cmd+L), menu item.
claude and i also added a preferences button at the bottom left of the app.

🤖 Generated with Claude Code

erickzhao · 2026-04-09T17:45:56Z

+      for (const file of allLogFiles) {
+        context.files.push({
+          fileName: file.logFile.fileName,
+          logType: file.logType,
+          entryCount: file.logEntries.length,
+          entries: file.logEntries.map((e) => ({
+            timestamp: e.timestamp,
+            level: e.level,
+            message: e.message,
+            line: e.line,
+            sourceFile: e.sourceFile,
+          })),
+        });
+      }
+    }


question: what's the intent behind this custom mapping? Are we dropping specific fields on purpose? It'd be good to document the decisions behind this.

added a jsdoc to address this

Add an AI assistant sidebar powered by Claude via AWS Bedrock that helps engineers find and diagnose bugs in Slack desktop log files. The assistant can search/read loaded logs, read state files, search configured codebase directories, and pull in architectural context from webapp, slack-desktop, and electron repos. - AI chat panel with streaming responses and markdown rendering - Tool-use loop: list_log_files, read/search_log_entries, read_state_file - read_repo_context tool with local-first + GitHub remote fallback - Codebase search/read tools gated behind Preferences directory config - AWS SSO auth via fma-sso-assume-role (feature hidden from external users) - Resizable sidebar, keyboard shortcut (Cmd+L), menu item 🤖 Generated with [Claude Code](https://claude.com/claude-code)

Stop auto-scrolling when the user scrolls up during streaming, so they can read earlier content without being pulled to the bottom. A floating arrow button appears to jump back to the latest output. Auto-scroll resumes automatically when a new user message is sent. 🤖 Generated with [Claude Code](https://claude.com/claude-code)

@action

- Cache serialized log context (immutable after processing) - Split RendererAiMessage into UserAiMessage/AssistantAiMessage types - Remove unnecessary JSON.parse(JSON.stringify()) deep clone - Add @action and try/catch to sendMessage - Validate and clear corrupt localStorage in loadCodebasePaths - Document intentional field mapping in serializeAllLogs 🤖 Generated with [Claude Code](https://claude.com/claude-code)

During streaming, every chunk triggers a re-render of the full message list. Without memoization, ReactMarkdown re-parses all previous messages on every chunk. Now completed messages are wrapped in React.memo so only the actively streaming message re-renders. Also hoist the remarkPlugins array to module scope to avoid creating a new array reference on every render. 🤖 Generated with [Claude Code](https://claude.com/claude-code)

Keep meta (stack traces, extended JSON payloads) and repeated (collapsed duplicate lines) in the serialized log context — both carry diagnostic value for the AI. Search also matches against meta content now. 🤖 Generated with [Claude Code](https://claude.com/claude-code)

Move sensitive infrastructure identifiers out of source code per security review. The AI feature now reads from: - SLEUTH_AI_FMA_ROLE: full fma-sso-assume-role role path - SLEUTH_AI_MODEL: Bedrock model ID - SLEUTH_AI_AWS_REGION: AWS region (defaults to us-east-1) When SLEUTH_AI_FMA_ROLE is unset, checkAiAvailable() returns false and the feature is completely hidden. 🤖 Generated with [Claude Code](https://claude.com/claude-code)

- Add ai-config.ts that reads FMA role and model from a config file, with env vars as optional overrides. This allows the packaged Electron app to work without relying on shell environment variables (which aren't available to GUI apps launched from Finder/Spotlight). - Fix crash in serializeAllLogs when installer array contains raw UnzippedFile entries that lack a .logFile property. 🤖 Generated with [Claude Code](https://claude.com/claude-code)

checkAiAvailable() silently stayed false if the IPC call rejected. Add catch handler with up to 2 retries (3s apart) and a console warning.

erickzhao · 2026-05-01T17:39:39Z

+      }));
+
+      // Tool-use loop
+      while (true) {


question: is it possible for this to just get stuck and loop infinitely? Should there be a max tool usage here?

Added a cap of 20 tool iterations in ai-service.ts. When the limit is hit, we emit a message to the chat explaining that we stopped early and finish the stream cleanly 👍

erickzhao · 2026-05-01T17:56:10Z

+      <Divider />
+      <Typography.Title level={5}>AI Settings</Typography.Title>
+      <Form.Item layout="vertical" label="Codebase Directories">
+        <Space direction="vertical" style={{ width: '100%' }}>


Suggested change

<Space direction="vertical" style={{ width: '100%' }}>

<Space orientation="vertical" style={{ width: '100%' }}>

sorry, deprecation warning in antd 6

erickzhao · 2026-05-01T18:14:54Z

  return (
    <div className="MacTitlebar" onDoubleClick={handleDoubleClick}>
      <span>{getWindowTitle(state.source)}</span>
+      {state.isAiAvailable && (


This should be hidden if you're in the welcome screen.

erickzhao · 2026-05-01T18:41:37Z

+        if (
+          res.statusCode &&
+          res.statusCode >= 300 &&
+          res.statusCode < 400 &&
+          res.headers.location
+        ) {
+          fetchUrl(res.headers.location).then(resolve, reject);
+          return;
+        }


Infinite recursion possible if we hit a redirect loop

Added a MAX_REDIRECTS cap of 5 and threaded the remaining count through the recursive call; throws a clear error if exceeded.

erickzhao · 2026-05-01T18:43:15Z

@@ -0,0 +1,646 @@
+import os from 'node:os';


unused import

erickzhao · 2026-05-01T18:46:50Z

    "react": "^18.0.0",
    "react-dom": "^18.0.0",
    "react-json-tree": "0.18.0",
+    "react-markdown": "^8",


nit: although this is valid, we generally use the full semver string

Suggested change

"react-markdown": "^8",

"react-markdown": "^8.0.0",

Co-authored-by: Erick Zhao <ezhao@slack-corp.com>

- Cap AI tool-use loop at 20 iterations to bound cost and prevent runaway loops - Cap fetchUrl redirect chain at 5 to prevent infinite recursion - Hide AI titlebar button on welcome screen (when no log bundle is loaded) - Restore antd Space orientation prop and expand semver ranges - Regenerate yarn.lock to match package.json - Remove unused os import

erickzhao

LGTM

georgexu99 requested a review from erickzhao April 9, 2026 00:38

erickzhao requested changes Apr 9, 2026

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erickzhao reviewed Apr 9, 2026

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Comment thread src/renderer/state/ai-store.ts Outdated

georgexu99 force-pushed the gxu-sleuth-pilot branch from e2584c0 to 48f203b Compare April 15, 2026 00:51

georgexu99 added 7 commits April 15, 2026 18:39

georgexu99 force-pushed the gxu-sleuth-pilot branch from 5c829a9 to 557f52b Compare April 16, 2026 01:41

erickzhao self-requested a review April 29, 2026 19:34

fix: retry AI availability check on failure

9a9c88a

checkAiAvailable() silently stayed false if the IPC call rejected. Add catch handler with up to 2 retries (3s apart) and a console warning.

erickzhao reviewed May 1, 2026

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georgexu99 and others added 2 commits May 4, 2026 15:36

Update package.json

24fb5eb

Co-authored-by: Erick Zhao <ezhao@slack-corp.com>

erickzhao approved these changes May 6, 2026

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erickzhao merged commit 4f651ba into main May 6, 2026
6 checks passed

erickzhao deleted the gxu-sleuth-pilot branch May 6, 2026 00:29

	<Space direction="vertical" style={{ width: '100%' }}>
	<Space orientation="vertical" style={{ width: '100%' }}>

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georgexu99 commented Apr 9, 2026 •

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