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Signed-off-by: Luis Valdes <luis@copilotkit.ai>
LuisValdesZero
requested review from
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mme,
ranst91 and
tylerslaton
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WalkthroughA POST request to an external telemetry ingestion endpoint is added to the telemetry client, sending event data including source, activity type, event details, and computed properties. The request uses a public API key from environment configuration. Changes
Estimated code review effort🎯 2 (Simple) | ⏱️ ~10 minutes
Pre-merge checks and finishing touches✅ Passed checks (3 passed)
✨ Finishing touches
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Actionable comments posted: 3
🧹 Nitpick comments (1)
CopilotKit/packages/shared/src/telemetry/telemetry-client.ts (1)
103-118: Consider extracting to a separate client for consistency.The Reo telemetry call is implemented inline, while the Scarf telemetry (lines 99-101) uses a separate
scarfClient. For consistency and maintainability, consider extracting this to a separatereoClientmodule, similar to thescarfClientpattern. This would:
- Improve code organization and reusability
- Make it easier to add additional error handling and resilience patterns
- Provide a single place to configure Reo-specific behavior
Example structure:
// In a new file: reo-client.ts class ReoClient { private apiKey: string; private baseUrl: string; constructor() { this.apiKey = process.env.NEXT_PUBLIC_REO_KEY || ""; this.baseUrl = "https://ingest.reo.dev/api/product/usage"; } async logEvent({ event, properties }: { event: string; properties: Record<string, any> }) { const controller = new AbortController(); const timeoutId = setTimeout(() => controller.abort(), 5000); try { await fetch(this.baseUrl, { method: "POST", signal: controller.signal, headers: { "Content-Type": "application/json", "X-API-KEY": this.apiKey, }, body: JSON.stringify({ payload: { source: "TELEMETRY", activity_type: "COPILOTKIT_EVENT", event, properties, } }) }); } catch (error) { // Silently fail } finally { clearTimeout(timeoutId); } } } export default new ReoClient();Then in telemetry-client.ts:
import reoClient from "./reo-client"; // In capture method: await reoClient.logEvent({ event, properties: orderedPropertiesWithGlobal, });
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CopilotKit/packages/shared/src/telemetry/telemetry-client.ts(1 hunks)
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**/*.{js,jsx,ts,tsx}
📄 CodeRabbit inference engine (.cursor/rules/development-workflow.mdc)
Use ESLint configuration from CopilotKit/utilities/eslint-config-custom for consistent linting across the monorepo
Files:
CopilotKit/packages/shared/src/telemetry/telemetry-client.ts
**/*.{ts,tsx}
📄 CodeRabbit inference engine (.cursor/rules/frontend-development.mdc)
**/*.{ts,tsx}: Use TypeScript for better type safety in React component development
Implement proper error handling in React components
Use CopilotKit provided hooks (useCopilotChat, useCopilotAction, useCopilotReadable) and utilities in React components
Maintain consistent styling with Tailwind CSS in UI components
Implement responsive design in UI components
Use CopilotProvider at the root of the application to wrap all app components
**/*.{ts,tsx}: Use 'auto' mode (default) in CopilotChat suggestions prop to generate suggestions automatically at the start of chat and after every turn
Use 'manual' mode in CopilotChat suggestions prop only when you need full programmatic control via setSuggestions or generateSuggestions from useCopilotChat hook
Configure suggestions via useCopilotChatSuggestions hook to register configuration for auto-generation system
Files:
CopilotKit/packages/shared/src/telemetry/telemetry-client.ts
| const reoUrl = "https://ingest.reo.dev/api/product/usage" | ||
| await fetch(reoUrl, { | ||
| method: "POST", | ||
| headers: { | ||
| "Content-Type": "application/json", | ||
| "X-API-KEY": process.env.NEXT_PUBLIC_REO_KEY || "", | ||
| }, | ||
| body: JSON.stringify({ | ||
| payload: { | ||
| source: "TELEMETRY", | ||
| activity_type: "COPILOTKIT_EVENT", | ||
| event, | ||
| properties: orderedPropertiesWithGlobal, | ||
| } | ||
| }) | ||
| }); |
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Critical: Add error handling to prevent telemetry failures from crashing.
The fetch call has no error handling. If the Reo endpoint is unreachable, slow, or returns an error, the unhandled rejection will propagate and could crash the application or cause the entire capture method to fail. Telemetry should fail gracefully without impacting the main application flow.
Apply this diff to add error handling:
const reoUrl = "https://ingest.reo.dev/api/product/usage"
- await fetch(reoUrl, {
- method: "POST",
- headers: {
- "Content-Type": "application/json",
- "X-API-KEY": process.env.NEXT_PUBLIC_REO_KEY || "",
- },
- body: JSON.stringify({
- payload: {
- source: "TELEMETRY",
- activity_type: "COPILOTKIT_EVENT",
- event,
- properties: orderedPropertiesWithGlobal,
- }
- })
- });
+ try {
+ await fetch(reoUrl, {
+ method: "POST",
+ headers: {
+ "Content-Type": "application/json",
+ "X-API-KEY": process.env.NEXT_PUBLIC_REO_KEY || "",
+ },
+ body: JSON.stringify({
+ payload: {
+ source: "TELEMETRY",
+ activity_type: "COPILOTKIT_EVENT",
+ event,
+ properties: orderedPropertiesWithGlobal,
+ }
+ })
+ });
+ } catch (error) {
+ // Silently fail - telemetry errors should not impact application
+ }📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| const reoUrl = "https://ingest.reo.dev/api/product/usage" | |
| await fetch(reoUrl, { | |
| method: "POST", | |
| headers: { | |
| "Content-Type": "application/json", | |
| "X-API-KEY": process.env.NEXT_PUBLIC_REO_KEY || "", | |
| }, | |
| body: JSON.stringify({ | |
| payload: { | |
| source: "TELEMETRY", | |
| activity_type: "COPILOTKIT_EVENT", | |
| event, | |
| properties: orderedPropertiesWithGlobal, | |
| } | |
| }) | |
| }); | |
| const reoUrl = "https://ingest.reo.dev/api/product/usage" | |
| try { | |
| await fetch(reoUrl, { | |
| method: "POST", | |
| headers: { | |
| "Content-Type": "application/json", | |
| "X-API-KEY": process.env.NEXT_PUBLIC_REO_KEY || "", | |
| }, | |
| body: JSON.stringify({ | |
| payload: { | |
| source: "TELEMETRY", | |
| activity_type: "COPILOTKIT_EVENT", | |
| event, | |
| properties: orderedPropertiesWithGlobal, | |
| } | |
| }) | |
| }); | |
| } catch (error) { | |
| // Silently fail - telemetry errors should not impact application | |
| } |
🤖 Prompt for AI Agents
In CopilotKit/packages/shared/src/telemetry/telemetry-client.ts around lines 103
to 118, the fetch to the Reo ingest endpoint has no error handling and can cause
unhandled rejections or throw on non-2xx responses; wrap the fetch call in a
try/catch, await it inside the try, check the response.ok and handle non-OK
responses (log them) and swallow any network or JSON errors in the catch so the
capture method never throws; optionally set a short timeout/AbortSignal for the
request and log any errors for telemetry debugging without rethrowing or
impacting the main flow.
| }); | ||
|
|
||
| const reoUrl = "https://ingest.reo.dev/api/product/usage" | ||
| await fetch(reoUrl, { |
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Major: Add timeout to prevent indefinite hanging.
The fetch request has no timeout configured. If the Reo endpoint is slow or unresponsive, this will block the telemetry capture method indefinitely, potentially impacting application performance. External calls should always have timeouts.
Consider adding an AbortController with timeout:
const controller = new AbortController();
const timeoutId = setTimeout(() => controller.abort(), 5000); // 5 second timeout
try {
await fetch(reoUrl, {
method: "POST",
signal: controller.signal,
headers: {
"Content-Type": "application/json",
"X-API-KEY": process.env.NEXT_PUBLIC_REO_KEY || "",
},
body: JSON.stringify({
payload: {
source: "TELEMETRY",
activity_type: "COPILOTKIT_EVENT",
event,
properties: orderedPropertiesWithGlobal,
}
})
});
} catch (error) {
// Silently fail - telemetry errors should not impact application
} finally {
clearTimeout(timeoutId);
}🤖 Prompt for AI Agents
In CopilotKit/packages/shared/src/telemetry/telemetry-client.ts around line 104,
the fetch call has no timeout and can hang indefinitely; add an AbortController,
start a timeout (e.g. 5000 ms) that calls controller.abort(), pass
controller.signal into fetch options, wrap the fetch in try/catch/finally to
silently swallow errors (so telemetry failures don't affect app), and clear the
timeout in finally to avoid leaks.
| method: "POST", | ||
| headers: { | ||
| "Content-Type": "application/json", | ||
| "X-API-KEY": process.env.NEXT_PUBLIC_REO_KEY || "", |
There was a problem hiding this comment.
🧩 Analysis chain
🏁 Script executed:
cat -n "CopilotKit/packages/shared/src/telemetry/telemetry-client.ts" | head -130 | tail -30Repository: CopilotKit/CopilotKit
Length of output: 1106
🏁 Script executed:
#!/bin/bash
# Check the file around line 108
echo "=== File content around line 108 ==="
cat -n "CopilotKit/packages/shared/src/telemetry/telemetry-client.ts" | sed -n '100,120p'
# Find all usages of REO_KEY
echo -e "\n=== All usages of REO_KEY ==="
rg "REO_KEY" --type ts --type tsx
# Check if telemetry-client is used client-side
echo -e "\n=== Imports of telemetry-client ==="
rg "telemetry-client" --type ts --type tsx | head -20Repository: CopilotKit/CopilotKit
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#!/bin/bash
# Try different search patterns for REO usage
echo "=== Search for NEXT_PUBLIC_REO ==="
rg "NEXT_PUBLIC_REO"
echo -e "\n=== Search for telemetry-client imports ==="
rg "from.*telemetry-client|import.*telemetry-client"
echo -e "\n=== Check if telemetry-client is exported from index ==="
find . -name "index.ts" -o -name "index.tsx" | xargs grep -l "telemetry-client" 2>/dev/null | head -10
echo -e "\n=== Check the file type of telemetry-client.ts ==="
file "CopilotKit/packages/shared/src/telemetry/telemetry-client.ts"
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# Check the full telemetry-client.ts to understand its execution context
echo "=== Full telemetry-client.ts content ==="
cat "CopilotKit/packages/shared/src/telemetry/telemetry-client.ts"
echo -e "\n=== Check docs/app/layout.tsx usage ==="
grep -A 5 -B 5 "NEXT_PUBLIC_REO_KEY" "docs/app/layout.tsx"
echo -e "\n=== Check if telemetry-client is used in browser/client context ==="
rg -B 5 -A 5 "telemetry-client|telemetry\." "CopilotKit/packages/shared/src/telemetry/index.ts"Repository: CopilotKit/CopilotKit
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#!/bin/bash
# Check if telemetry-client is actually bundled and sent to client
echo "=== Check package.json to see if shared is exported to browser ==="
cat "CopilotKit/packages/shared/package.json" | grep -A 10 "exports\|main"
# Check if TelemetryClient is used in browser components
echo -e "\n=== Search for TelemetryClient usage in UI/browser context ==="
rg "TelemetryClient|telemetry\.capture" "CopilotKit/packages/react" | head -20
# Check the actual runtime where telemetry-client is used
echo -e "\n=== Check if capture method is called from server or client contexts ==="
rg -B 3 "\.capture\(" "CopilotKit/packages/runtime/src" | head -40Repository: CopilotKit/CopilotKit
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# Let's check the docs/app/layout.tsx more carefully to see if REO_KEY is used client-side
echo "=== Full context around REO_KEY in docs/app/layout.tsx ==="
grep -n "NEXT_PUBLIC_REO_KEY" "docs/app/layout.tsx" -B 10 -A 10
# Check if docs is using this as a client component
echo -e "\n=== Check if docs/app/layout.tsx is a server or client component ==="
head -30 "docs/app/layout.tsx"
# Check what REO_KEY is used for in the docs
echo -e "\n=== Search for usage of REO_KEY variable in docs/app/layout.tsx ==="
grep -n "REO_KEY" "docs/app/layout.tsx"Repository: CopilotKit/CopilotKit
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# Check the complete context of REO_KEY usage in docs/app/layout.tsx
echo "=== Full REO_KEY usage section in docs/app/layout.tsx ==="
sed -n '13,50p' "docs/app/layout.tsx"
# Verify where telemetry-client.ts is actually executed
echo -e "\n=== Check which packages/runtime modules are server-side only ==="
grep -r "\"server-only\"" "CopilotKit/packages/runtime/src" | head -5
# Check if telemetry-client.ts has any "use client" or server context indication
echo -e "\n=== Check telemetry-client.ts for execution context markers ==="
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Remove NEXT_PUBLIC_ prefix or clarify that the REO key is a public client ID.
The NEXT_PUBLIC_REO_KEY variable is used in server-side telemetry code, but the NEXT_PUBLIC_ prefix is only necessary when variables need to be exposed to the browser. Since telemetry-client.ts runs exclusively on the server (in runtime packages), the prefix is redundant. However, this is not a security issue—the key is a public client ID for Reo's analytics service and is intentionally used client-side in docs/app/layout.tsx. Consider either:
- Renaming to
REO_CLIENT_IDin telemetry-client.ts (server-only usage), keepingNEXT_PUBLIC_REO_KEYin docs for client-side initialization - Documenting why
NEXT_PUBLIC_is used if sharing the same variable is preferred
🤖 Prompt for AI Agents
In CopilotKit/packages/shared/src/telemetry/telemetry-client.ts around line 108,
the code uses process.env.NEXT_PUBLIC_REO_KEY in server-side telemetry; remove
the unnecessary NEXT_PUBLIC_ prefix by switching to process.env.REO_CLIENT_ID
(server-only) and update any config/CI/env docs accordingly; to avoid breaking
existing deployments, read REO_CLIENT_ID first and fall back to
NEXT_PUBLIC_REO_KEY if REO_CLIENT_ID is undefined, and update comments to state
that the REO value is a public client ID used client-side in
docs/app/layout.tsx.
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2 participants
What does this PR do?
Adding Reo to telemetry
Checklist
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