From 0083a8e28229509fa25f3707bf21b0efc0a028c5 Mon Sep 17 00:00:00 2001 From: Leo Date: Wed, 15 Oct 2025 22:34:42 +0000 Subject: [PATCH 1/4] docs(posthog): add comprehensive PostHog event plan and instrumentation guide This commit introduces a detailed PostHog instrumentation blueprint for the OpenChat monorepo, covering web, server, and extension components. It outlines baseline setup, event taxonomy with triggers and properties, common properties, dashboards and insights strategies, implementation notes by file, and next steps for full analytics coverage. Key additions include event naming conventions, super-property registrations, enhanced event properties for auth, chat, settings, sync, and extension features, as well as recommended dashboard KPIs and monitoring plans to track acquisition, onboarding, chat health, personalization, and extension engagement. This documentation will guide engineering alignment and implementation to enable actionable analytics through PostHog. Co-authored-by: terragon-labs[bot] --- posthog.md | 149 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 149 insertions(+) create mode 100644 posthog.md diff --git a/posthog.md b/posthog.md new file mode 100644 index 00000000..f80bb755 --- /dev/null +++ b/posthog.md @@ -0,0 +1,149 @@ +# PostHog Event Plan + +This document outlines a PostHog instrumentation blueprint for the OpenChat monorepo (web, server, extension). It focuses on events that turn the app's critical flows into actionable insights and includes property suggestions, owners, and reporting ideas. + +--- + +## 1. Baseline Setup & Guardrails + +- **Client bootstrap (`apps/web/src/lib/posthog.ts`)** + - Continue initialising PostHog lazily. Add `client.register({ app: "openchat-web", app_version: process.env.NEXT_PUBLIC_APP_VERSION ?? "dev" })`. + - Keep manual `$pageview`, but include `referrer_url: document.referrer || "direct"`, `referrer_domain`, `entry_path`, `entry_query`. This satisfies the "where user comes from" requirement even when PostHog’s default referrer can’t access cross-origin titles. +- **Server capture (`apps/web/src/lib/posthog-server.ts`, `apps/server/src/lib/posthog.ts`)** + - Register `environment`, `deployment_region`, `app: "openchat-server"`. + - Always call `captureServerEvent`/`capturePosthogEvent` inside `try/finally` blocks that already have a distinct user id; skip when unauthenticated. +- **Identity** + - Once a session resolves (`chat-room.tsx`, `AppSidebar`), call `identifyClient(userId)` and `posthog.group("workspace", workspaceId)` for collaboration metrics. For guests, register `auth_state: "guest"`. + - Register shared super-properties: `auth_state`, `has_openrouter_key`, `workspace_id`, `ui_theme` (dark/light), `brand_theme`. + +--- + +## 2. Core Event Taxonomy + +| Event | Trigger (file / hook) | Key properties | Why it matters | +| --- | --- | --- | --- | +| `marketing.visit_landing` | `hero-section.tsx` on mount | `referrer_url`, `referrer_domain`, `utm_source/medium/campaign`, `entry_path`, `session_is_guest` | Quantify acquisition sources and landing page conversion. | +| `marketing.cta_clicked` | Primary CTAs (`hero-section`, header, footer) | `cta_id` (`hero_try_openchat`, `hero_request_demo`, `header_dashboard`), `cta_copy`, `section`, `screen_width_bucket` | Measure CTA performance and feed experiments. | +| `marketing.menu_toggled` | Mobile nav toggle (`header.tsx`) | `state` (`open`/`closed`), `has_account` | Understand mobile navigation friction. | +| `auth.sign_in_started` | Submit in `sign-in-form.tsx` | `remember_me`, `email_domain` | Funnel start for sign-in. | +| `auth.sign_in` *(already exists)* | On success (`sign-in-form.tsx`) | Add: `method: "password"`, `remember_me`, `email_domain` | Track completions; align property naming. | +| `auth.sign_in_failed` | `sign-in-form.tsx` catch/toast error | `error_type`, `http_status` | Quantify failure reasons. | +| `auth.sign_up_started` | Submit in `sign-up-form.tsx` | `plan_hint` (if future tiers), `email_domain` | Funnel start for registrations. | +| `auth.sign_up` *(already exists)* | On success (`sign-up-form.tsx`) | Add: `method`, `email_domain` | Activation metric. | +| `auth.sign_up_failed` | Error branch (`sign-up-form.tsx`) | `error_type`, `http_status` | Detect validation friction. | +| `auth.sign_out` | After `handleSignOut` (`account-settings-modal.tsx`) | `session_length_minutes`, `chat_count` | Retention signal and clean cohorts. | +| `dashboard.entered` | `dashboard/layout.tsx` after chats load | `chat_total`, `has_api_key`, `auth_state`, `entry_path` | Baseline for active users. | +| `sidebar.chat_selected` | Link click in `ChatList` (`app-sidebar.tsx`) | `chat_id`, `position_index`, `source: "sidebar"`, `previous_chat_id` | Understand navigation patterns. | +| `sidebar.chat_delete_confirmation` | Delete button click (`ChatList`) | `chat_id`, `has_messages`, `is_guest` | Gauge destructive action frequency. | +| `chat.created` *(existing front/back)* | Sidebar button (`app-sidebar.tsx`) & server router | Add properties: `source` (`sidebar_button`, `auto`), `title_length`, `storage_backend` (`postgres`, `memory_fallback`) | Tie creation intent with backend success. | +| `chat.deleted` | Success path in `client.chats.delete` promise | `chat_id`, `message_count`, `storage_backend` | Measure churn of conversations. | +| `chat_message_submitted` *(existing)* | `chat-room.tsx` send handler | Add: `attachment_count`, `has_api_key`, `model_id`, `characters`, `input_latency_ms` (keydown→send). | Core usage + leading indicator for spend. | +| `chat.stream_started` | Before `streamText` call (`chat-handler.ts`) | `chat_id`, `model_id`, `openrouter_base`, `user_character_count` | Count completions vs attempts. | +| `chat_message_stream` *(existing server)* | Already captured in handler | Extend props: `chunk_count`, `error_code`, `openrouter_status`, `rate_limit_bucket`, `trail_latency_ms`. | Deep health KPI for completions. | +| `chat.stream_stopped` | `onStop` in `ChatComposer` | `chat_id`, `model_id`, `elapsed_ms`, `reason` (`user_stop`) | Identify interruption patterns. | +| `chat.attachment_added` | `handleFileSelection` success (`chat-composer.tsx`) | `file_mime`, `file_size_bytes`, `attachment_count` | Demand for multimodal features. | +| `chat.attachment_rejected` | Attachment > 5 MB path | `file_name`, `file_size_bytes`, `limit_bytes` | Justify raising limits or copy tweaks. | +| `chat.scroll_to_bottom_clicked` | Button in `chat-messages-panel.tsx` | `message_count`, `unpinned_distance_px` | Diagnose long thread UX. | +| `openrouter.key_prompt_shown` | `OpenRouterLinkModal` open | `reason` (`missing`, `error`), `api_key_present` | Track onboarding friction. | +| `openrouter.key_saved` | Success in `handleSaveApiKey` (modal + account settings) | `source` (`modal`, `settings`), `masked_tail`, `scope` | Activation milestone. | +| `openrouter.key_removed` | `handleRemoveApiKey` | `source`, `had_models_cached` | Detect churn risk. | +| `openrouter.models_fetch_started` | Before fetch POST `/api/openrouter/models` | `provider_host` | Baseline latency metrics. | +| `openrouter.models_fetch_failed` | Catch in `fetchModels` (`chat-room.tsx`) | `status`, `error_message`, `api_key_present` | Health signal for vendor issues. | +| `openrouter.model_selected` | `onChange` in `ModelSelector` | `model_id`, `pricing_prompt`, `pricing_completion`, `context_length` | Allows per-model retention split. | +| `openrouter.requirement_missing` | `handleMissingRequirement` | `requirement` (`apiKey`, `model`), `chat_id` | Detect gating blockers. | +| `settings.viewed` | `SettingsPageClient` mount | `is_guest`, `has_api_key`, `theme` | Settings engagement. | +| `settings.account_modal_opened` | `setOpen(true)` in settings/account | `is_guest` | Confirm guests hit paywall. | +| `settings.guest_cta_clicked` | Guest button → `/auth/sign-in` | `cta_copy`, `location` | Evaluate guest-to-auth conversion. | +| `theme.toggle` | `ThemeToggle` click | `from_theme`, `to_theme`, `auth_state` | Measure dark mode preference. | +| `brand_theme.selected` | `ThemeSelector` setTheme | `brand_theme_id`, `previous_theme` | Input for appearance roadmap. | +| `account.modal_opened` | Header/account button | `session_state` | Quick access usage. | +| `account.user_id_copied` | `handleCopyUserId` | `account_type` | Niche but indicates power users/devs. | +| `sync.connection_state` | `connect()` success/error (`apps/web/src/lib/sync.ts`) | `state` (`connected`, `retry`, `failed`), `retry_count`, `tab_id` | Track live sync reliability. | +| `sync.topic_subscription` | `subscribe()` | `topic`, `handler_count`, `tab_id` | Understand load on hub. | +| `workspace.fallback_storage_used` | `catch` branches in server router when DB fails | `chat_id`, `operation` (`create`, `list`, `send`, `streamUpsert`), `fallback_size` | Alert when falling back to in-memory stores. | +| `rpc.error` | ORPC client error wrapper | `procedure`, `http_status`, `error_code`, `auth_state` | Spot failing backend routes. | +| `rate_limit.hit` | `createChatHandler` rate limited branch | `limit`, `window_ms`, `client_ip_hash` | Monitor traffic spikes. | +| `extension.popup_opened` | `apps/extension/entrypoints/popup/main.tsx` render | `browser`, `extension_version` | Baseline for extension usage. | +| `extension.counter_incremented` | Button click in popup | `count` | Placeholder until real features ship. | + +> **Naming convention**: use `scope.action` (lowercase, snake words). Keep existing `auth.sign_in`/`chat_message_submitted` but align new events to the same style. + +--- + +## 3. Common Properties + +Set these super-properties via `posthog.register` (client) and `client.capture({ properties })` (server): + +- `auth_state`: `"guest"` or `"member"`. +- `workspace_id`: `session.user.id` (still set for guests). +- `plan_tier`: `"free"` for guests, future paid tiers later. +- `has_openrouter_key`: boolean; update whenever the key is saved/removed. +- `model_id`: last selected model (register after `openrouter.model_selected`). +- `ui_theme`: `"light"`/`"dark"`. +- `brand_theme`: `BrandThemeProvider` current theme id. +- `app_version`: surface via env (web & server). +- `deployment`: `"local"`, `"staging"`, `"prod"` using env flags. +- `electric_enabled`: from `process.env.NEXT_PUBLIC_ELECTRIC_URL` truthiness. + +For server-side events, add: + +- `origin`: host making the request (from `validateRequestOrigin`). +- `ip_hash`: SHA-256 of `pickClientIp(request)` truncated to respect privacy. +- `openrouter_latency_ms`, `openrouter_status`, `stream_status` where applicable. + +--- + +## 4. Dashboards & Insights + +1. **Activation Funnel** + - Steps: `marketing.visit_landing` → `marketing.cta_clicked` (CTA = `hero_try_openchat`) → `auth.sign_up_started` → `auth.sign_up` → `dashboard.entered` → `openrouter.key_saved`. + - Slice by `referrer_domain`, `utm_source`, `auth_state`. +2. **Chat Health Overview** + - Time-series of `chat_message_submitted`, `chat_message_stream` (`status` split), average `durationMs`, average `characters`. + - Breakdown by `model_id`, `has_openrouter_key`, `deployment`. +3. **Sync Reliability Board** + - Monitor `sync.connection_state` (`state = failed`), `workspace.fallback_storage_used`, `rpc.error`. + - Set alerts when fallback usage > 5% of total events. +4. **Personalization Adoption** + - Pie charts for `ui_theme`, `brand_theme.selected`. + - Funnel `settings.viewed` → `theme.toggle`/`brand_theme.selected`. +5. **Attachment Usage** + - Count of `chat.attachment_added` vs `chat.attachment_rejected`. + - Weighted by file type to justify storage roadmap. +6. **Model Performance Report** + - Compare `chat_message_stream` success rate, median `durationMs`, and tokens (approx via `characters`) by `model_id`. + - Flag models with >5% error rate (`status = error`). +7. **Guest vs Authenticated Cohort Retention** + - Use `auth_state` property to build retention curves and segment `chat.created`, `openrouter.key_saved`. + +--- + +## 5. Implementation Notes by File + +- `apps/web/src/components/hero-section.tsx`: fire landing + CTA events using `captureClientEvent`. +- `apps/web/src/components/auth/sign-*.tsx`: wrap submission and error flows. +- `apps/web/src/components/app-sidebar.tsx`: emit selection/deletion events; include fallback detection by reading the local `fallbackChats` vs `electric`. +- `apps/web/src/components/chat-room.tsx`: enrich existing events with new properties, add attachments + requirement events. +- `apps/web/src/components/chat-composer.tsx`: instrument attachments and stop button. +- `apps/web/src/components/chat-messages-panel.tsx`: scroll-to-bottom. +- `apps/web/src/components/openrouter-link-modal.tsx` & `account-settings-modal.tsx`: API key lifecycle events. +- `apps/web/src/components/settings-page-client.tsx`: `settings.viewed`, guest CTA, theme picks. +- `apps/web/src/components/theme-toggle.tsx` & `settings/theme-selector.tsx`: theme events. +- `apps/web/src/lib/sync.ts`: connection/subscription telemetry. +- `apps/server/src/routers/index.ts`: in catch blocks where fallback memory is used, capture `workspace.fallback_storage_used`. +- `apps/web/src/app/api/chat/chat-handler.ts`: expand streaming events, rate-limit hits, API failures. +- `apps/web/src/utils/orpc.ts`: wrap `client` calls with error instrumentation for `rpc.error`. +- `apps/extension/entrypoints/popup/*.tsx`: minimal signals for extension adoption (optional now). + +--- + +## 6. Next Steps + +1. Align engineering on naming conventions (`scope.action`) and property casing (snake_case). +2. Implement super-property registration + `$pageview` enhancement (referrer/domain) first so every session has provenance. +3. Iterate on event additions by surface (auth → chat → settings), deploying behind a feature flag if needed. +4. Validate in PostHog using the "Live events" feed; ensure events marry to the correct distinct ids (guest vs authenticated). +5. Build dashboards in the order above, then share with stakeholders for feedback. + +With this instrumentation in place, you’ll have the coverage needed to monitor acquisition sources, onboarding friction, chat reliability, personalization adoption, and extension engagement—all within PostHog. + From 59d17a540594f0cfa7fba9135c94a94b7fa707ab Mon Sep 17 00:00:00 2001 From: Leo Date: Wed, 15 Oct 2025 22:40:47 +0000 Subject: [PATCH 2/4] feat(analytics): refine and streamline PostHog event taxonomy and instrumentation - Reduced and optimized core event sets to focus on high-leverage insights, minimizing low-signal noise. - Standardized event naming conventions to lowercase snake_case with scope.action structure. - Updated super-properties registration for better session identification including guest handling. - Enhanced event properties for chat creation, streaming, attachments, and OpenRouter API key lifecycle. - Added new telemetry events for sync connection state, fallback storage usage, and chat rate limiting. - Revised dashboard and funnel definitions to reflect streamlined event model and metrics. - Improved implementation notes for consistency and expanded coverage across web, server, and extension components. This update enables effective monitoring of acquisition, chat usage, reliability, and onboarding activation without excess event volume. Co-authored-by: terragon-labs[bot] --- posthog.md | 151 ++++++++++++++++++++--------------------------------- 1 file changed, 56 insertions(+), 95 deletions(-) diff --git a/posthog.md b/posthog.md index f80bb755..baa9e360 100644 --- a/posthog.md +++ b/posthog.md @@ -13,60 +13,33 @@ This document outlines a PostHog instrumentation blueprint for the OpenChat mono - Register `environment`, `deployment_region`, `app: "openchat-server"`. - Always call `captureServerEvent`/`capturePosthogEvent` inside `try/finally` blocks that already have a distinct user id; skip when unauthenticated. - **Identity** - - Once a session resolves (`chat-room.tsx`, `AppSidebar`), call `identifyClient(userId)` and `posthog.group("workspace", workspaceId)` for collaboration metrics. For guests, register `auth_state: "guest"`. - - Register shared super-properties: `auth_state`, `has_openrouter_key`, `workspace_id`, `ui_theme` (dark/light), `brand_theme`. + - Even without a full auth system, continue generating a stable guest/workspace id (`ensureGuestId*`). Call `identifyClient(distinctId)` once per session and optionally `posthog.group("workspace", workspaceId)` to keep chat cohorts together. + - Register lightweight super-properties: `auth_state: "guest"`, `has_openrouter_key`, `workspace_id`, `ui_theme` (dark/light), `brand_theme`. --- -## 2. Core Event Taxonomy +## 2. Core Event Taxonomy (Lean Set) -| Event | Trigger (file / hook) | Key properties | Why it matters | +These 14 events cover the highest-leverage insights without burning volume on low-signal noise. + +| Event | Trigger (file / hook) | Key properties | Value | | --- | --- | --- | --- | -| `marketing.visit_landing` | `hero-section.tsx` on mount | `referrer_url`, `referrer_domain`, `utm_source/medium/campaign`, `entry_path`, `session_is_guest` | Quantify acquisition sources and landing page conversion. | -| `marketing.cta_clicked` | Primary CTAs (`hero-section`, header, footer) | `cta_id` (`hero_try_openchat`, `hero_request_demo`, `header_dashboard`), `cta_copy`, `section`, `screen_width_bucket` | Measure CTA performance and feed experiments. | -| `marketing.menu_toggled` | Mobile nav toggle (`header.tsx`) | `state` (`open`/`closed`), `has_account` | Understand mobile navigation friction. | -| `auth.sign_in_started` | Submit in `sign-in-form.tsx` | `remember_me`, `email_domain` | Funnel start for sign-in. | -| `auth.sign_in` *(already exists)* | On success (`sign-in-form.tsx`) | Add: `method: "password"`, `remember_me`, `email_domain` | Track completions; align property naming. | -| `auth.sign_in_failed` | `sign-in-form.tsx` catch/toast error | `error_type`, `http_status` | Quantify failure reasons. | -| `auth.sign_up_started` | Submit in `sign-up-form.tsx` | `plan_hint` (if future tiers), `email_domain` | Funnel start for registrations. | -| `auth.sign_up` *(already exists)* | On success (`sign-up-form.tsx`) | Add: `method`, `email_domain` | Activation metric. | -| `auth.sign_up_failed` | Error branch (`sign-up-form.tsx`) | `error_type`, `http_status` | Detect validation friction. | -| `auth.sign_out` | After `handleSignOut` (`account-settings-modal.tsx`) | `session_length_minutes`, `chat_count` | Retention signal and clean cohorts. | -| `dashboard.entered` | `dashboard/layout.tsx` after chats load | `chat_total`, `has_api_key`, `auth_state`, `entry_path` | Baseline for active users. | -| `sidebar.chat_selected` | Link click in `ChatList` (`app-sidebar.tsx`) | `chat_id`, `position_index`, `source: "sidebar"`, `previous_chat_id` | Understand navigation patterns. | -| `sidebar.chat_delete_confirmation` | Delete button click (`ChatList`) | `chat_id`, `has_messages`, `is_guest` | Gauge destructive action frequency. | -| `chat.created` *(existing front/back)* | Sidebar button (`app-sidebar.tsx`) & server router | Add properties: `source` (`sidebar_button`, `auto`), `title_length`, `storage_backend` (`postgres`, `memory_fallback`) | Tie creation intent with backend success. | -| `chat.deleted` | Success path in `client.chats.delete` promise | `chat_id`, `message_count`, `storage_backend` | Measure churn of conversations. | -| `chat_message_submitted` *(existing)* | `chat-room.tsx` send handler | Add: `attachment_count`, `has_api_key`, `model_id`, `characters`, `input_latency_ms` (keydown→send). | Core usage + leading indicator for spend. | -| `chat.stream_started` | Before `streamText` call (`chat-handler.ts`) | `chat_id`, `model_id`, `openrouter_base`, `user_character_count` | Count completions vs attempts. | -| `chat_message_stream` *(existing server)* | Already captured in handler | Extend props: `chunk_count`, `error_code`, `openrouter_status`, `rate_limit_bucket`, `trail_latency_ms`. | Deep health KPI for completions. | -| `chat.stream_stopped` | `onStop` in `ChatComposer` | `chat_id`, `model_id`, `elapsed_ms`, `reason` (`user_stop`) | Identify interruption patterns. | -| `chat.attachment_added` | `handleFileSelection` success (`chat-composer.tsx`) | `file_mime`, `file_size_bytes`, `attachment_count` | Demand for multimodal features. | -| `chat.attachment_rejected` | Attachment > 5 MB path | `file_name`, `file_size_bytes`, `limit_bytes` | Justify raising limits or copy tweaks. | -| `chat.scroll_to_bottom_clicked` | Button in `chat-messages-panel.tsx` | `message_count`, `unpinned_distance_px` | Diagnose long thread UX. | -| `openrouter.key_prompt_shown` | `OpenRouterLinkModal` open | `reason` (`missing`, `error`), `api_key_present` | Track onboarding friction. | -| `openrouter.key_saved` | Success in `handleSaveApiKey` (modal + account settings) | `source` (`modal`, `settings`), `masked_tail`, `scope` | Activation milestone. | -| `openrouter.key_removed` | `handleRemoveApiKey` | `source`, `had_models_cached` | Detect churn risk. | -| `openrouter.models_fetch_started` | Before fetch POST `/api/openrouter/models` | `provider_host` | Baseline latency metrics. | -| `openrouter.models_fetch_failed` | Catch in `fetchModels` (`chat-room.tsx`) | `status`, `error_message`, `api_key_present` | Health signal for vendor issues. | -| `openrouter.model_selected` | `onChange` in `ModelSelector` | `model_id`, `pricing_prompt`, `pricing_completion`, `context_length` | Allows per-model retention split. | -| `openrouter.requirement_missing` | `handleMissingRequirement` | `requirement` (`apiKey`, `model`), `chat_id` | Detect gating blockers. | -| `settings.viewed` | `SettingsPageClient` mount | `is_guest`, `has_api_key`, `theme` | Settings engagement. | -| `settings.account_modal_opened` | `setOpen(true)` in settings/account | `is_guest` | Confirm guests hit paywall. | -| `settings.guest_cta_clicked` | Guest button → `/auth/sign-in` | `cta_copy`, `location` | Evaluate guest-to-auth conversion. | -| `theme.toggle` | `ThemeToggle` click | `from_theme`, `to_theme`, `auth_state` | Measure dark mode preference. | -| `brand_theme.selected` | `ThemeSelector` setTheme | `brand_theme_id`, `previous_theme` | Input for appearance roadmap. | -| `account.modal_opened` | Header/account button | `session_state` | Quick access usage. | -| `account.user_id_copied` | `handleCopyUserId` | `account_type` | Niche but indicates power users/devs. | -| `sync.connection_state` | `connect()` success/error (`apps/web/src/lib/sync.ts`) | `state` (`connected`, `retry`, `failed`), `retry_count`, `tab_id` | Track live sync reliability. | -| `sync.topic_subscription` | `subscribe()` | `topic`, `handler_count`, `tab_id` | Understand load on hub. | -| `workspace.fallback_storage_used` | `catch` branches in server router when DB fails | `chat_id`, `operation` (`create`, `list`, `send`, `streamUpsert`), `fallback_size` | Alert when falling back to in-memory stores. | -| `rpc.error` | ORPC client error wrapper | `procedure`, `http_status`, `error_code`, `auth_state` | Spot failing backend routes. | -| `rate_limit.hit` | `createChatHandler` rate limited branch | `limit`, `window_ms`, `client_ip_hash` | Monitor traffic spikes. | -| `extension.popup_opened` | `apps/extension/entrypoints/popup/main.tsx` render | `browser`, `extension_version` | Baseline for extension usage. | -| `extension.counter_incremented` | Button click in popup | `count` | Placeholder until real features ship. | - -> **Naming convention**: use `scope.action` (lowercase, snake words). Keep existing `auth.sign_in`/`chat_message_submitted` but align new events to the same style. +| `marketing.visit_landing` | `hero-section.tsx` on mount | `referrer_url`, `referrer_domain`, `utm_source`, `entry_path`, `session_is_guest` | Measures acquisition mix and landing conversion without relying on auth. | +| `marketing.cta_clicked` | Primary CTAs (`hero-section`, header CTA) | `cta_id` (`hero_try_openchat`, `hero_request_demo`), `cta_copy`, `section`, `screen_width_bucket` | Shows which CTAs turn visitors into users. | +| `dashboard.entered` | `dashboard/layout.tsx` after chat list load | `chat_total`, `has_api_key`, `entry_path`, `brand_theme` | Baseline active sessions and personalization adoption. | +| `chat.created` *(front + server)* | Sidebar “New Chat” + router success | `chat_id`, `source` (`sidebar_button`), `storage_backend` (`postgres`, `memory_fallback`), `title_length` | Tracks creation intent and fallback usage. | +| `chat_message_submitted` *(existing)* | `chat-room.tsx` send handler | `chat_id`, `model_id`, `characters`, `attachment_count`, `has_api_key` | Core usage + cost proxy by model and content length. | +| `chat_message_stream` *(existing server)* | `/api/chat` handler completion | `chat_id`, `model_id`, `status` (`completed`, `error`, `aborted`), `duration_ms`, `characters`, `openrouter_status`, `rate_limit_bucket` | Single source of truth for streaming health. | +| `chat.rate_limited` | 429 branch in `createChatHandler` | `chat_id`, `limit`, `window_ms`, `client_ip_hash_trunc` | Detect traffic spikes or abuse without extra server logs. | +| `chat.attachment_event` | `handleFileSelection` success/failure | `chat_id`, `result` (`accepted`, `rejected`), `file_mime`, `file_size_bytes`, `limit_bytes` | One event that captures attachment demand and guardrail friction. | +| `openrouter.key_prompt_shown` | `OpenRouterLinkModal` open | `reason` (`missing`, `error`), `has_api_key` | Measures API-key onboarding friction. | +| `openrouter.key_saved` | Successful save (modal or settings) | `source` (`modal`, `settings`), `masked_tail`, `scope` | Activation milestone toward usable chats. | +| `openrouter.key_removed` | `handleRemoveApiKey` | `source`, `had_models_cached` | Detects churn risk for paid usage. | +| `openrouter.models_fetch_failed` | Catch in `fetchModels` | `status`, `error_message`, `provider_host`, `has_api_key` | Alerts when model catalogue fails—critical reliability signal. | +| `sync.connection_state` | `apps/web/src/lib/sync.ts` (`onopen`, `onclose`, retry) | `state` (`connected`, `retry`, `failed`), `retry_count`, `tab_id` | Observability for live sync without extra logs. | +| `workspace.fallback_storage_used` | Server router fallback branches | `operation` (`create`, `list`, `send`, `streamUpsert`), `chat_id`, `fallback_size` | Immediate warning when DB connectivity regresses. | + +> **Naming convention**: use `scope.action` (lowercase, snake words). Keep existing `chat_message_submitted` naming and align new events to the same style. --- @@ -74,13 +47,12 @@ This document outlines a PostHog instrumentation blueprint for the OpenChat mono Set these super-properties via `posthog.register` (client) and `client.capture({ properties })` (server): -- `auth_state`: `"guest"` or `"member"`. -- `workspace_id`: `session.user.id` (still set for guests). -- `plan_tier`: `"free"` for guests, future paid tiers later. -- `has_openrouter_key`: boolean; update whenever the key is saved/removed. -- `model_id`: last selected model (register after `openrouter.model_selected`). +- `auth_state`: `"guest"` today; toggle to `"member"` once auth ships. +- `workspace_id`: the stable id from guest/session helpers. +- `has_openrouter_key`: boolean updated on key save/remove. +- `model_id`: last selected model (register inside `ModelSelector`’s `onChange`). - `ui_theme`: `"light"`/`"dark"`. -- `brand_theme`: `BrandThemeProvider` current theme id. +- `brand_theme`: brand accent from `BrandThemeProvider`. - `app_version`: surface via env (web & server). - `deployment`: `"local"`, `"staging"`, `"prod"` using env flags. - `electric_enabled`: from `process.env.NEXT_PUBLIC_ELECTRIC_URL` truthiness. @@ -88,62 +60,51 @@ Set these super-properties via `posthog.register` (client) and `client.capture({ For server-side events, add: - `origin`: host making the request (from `validateRequestOrigin`). -- `ip_hash`: SHA-256 of `pickClientIp(request)` truncated to respect privacy. -- `openrouter_latency_ms`, `openrouter_status`, `stream_status` where applicable. +- `ip_hash`: SHA-256 of `pickClientIp(request)` truncated (first 8 bytes) to respect privacy. +- `openrouter_latency_ms`, `openrouter_status` when streaming. --- ## 4. Dashboards & Insights -1. **Activation Funnel** - - Steps: `marketing.visit_landing` → `marketing.cta_clicked` (CTA = `hero_try_openchat`) → `auth.sign_up_started` → `auth.sign_up` → `dashboard.entered` → `openrouter.key_saved`. - - Slice by `referrer_domain`, `utm_source`, `auth_state`. +1. **Acquisition to Activation Funnel** + - Steps: `marketing.visit_landing` → `marketing.cta_clicked` (CTA = `hero_try_openchat`) → `dashboard.entered` → `openrouter.key_saved`. + - Slice by `referrer_domain`, `utm_source`, `session_is_guest`. 2. **Chat Health Overview** - - Time-series of `chat_message_submitted`, `chat_message_stream` (`status` split), average `durationMs`, average `characters`. + - Time-series of `chat_message_submitted` vs `chat_message_stream` (`status` split), average `duration_ms`, average `characters`. - Breakdown by `model_id`, `has_openrouter_key`, `deployment`. -3. **Sync Reliability Board** - - Monitor `sync.connection_state` (`state = failed`), `workspace.fallback_storage_used`, `rpc.error`. - - Set alerts when fallback usage > 5% of total events. -4. **Personalization Adoption** - - Pie charts for `ui_theme`, `brand_theme.selected`. - - Funnel `settings.viewed` → `theme.toggle`/`brand_theme.selected`. -5. **Attachment Usage** - - Count of `chat.attachment_added` vs `chat.attachment_rejected`. - - Weighted by file type to justify storage roadmap. -6. **Model Performance Report** - - Compare `chat_message_stream` success rate, median `durationMs`, and tokens (approx via `characters`) by `model_id`. - - Flag models with >5% error rate (`status = error`). -7. **Guest vs Authenticated Cohort Retention** - - Use `auth_state` property to build retention curves and segment `chat.created`, `openrouter.key_saved`. +3. **Reliability Board** + - Track `chat.rate_limited`, `openrouter.models_fetch_failed`, `sync.connection_state` (`state = failed`), and `workspace.fallback_storage_used`. + - Alert when fallback usage > 5% or rate limits spike. +4. **Attachment Demand** + - Segment `chat.attachment_event` by `result`, `file_mime`, and `file_size_bytes` to justify storage roadmap. +5. **Model Performance Report** + - Compare `chat_message_stream` success rate, median `duration_ms`, and characters by `model_id`. + - Flag models with >5% `status = error` to trigger provider follow-up. --- ## 5. Implementation Notes by File -- `apps/web/src/components/hero-section.tsx`: fire landing + CTA events using `captureClientEvent`. -- `apps/web/src/components/auth/sign-*.tsx`: wrap submission and error flows. -- `apps/web/src/components/app-sidebar.tsx`: emit selection/deletion events; include fallback detection by reading the local `fallbackChats` vs `electric`. -- `apps/web/src/components/chat-room.tsx`: enrich existing events with new properties, add attachments + requirement events. -- `apps/web/src/components/chat-composer.tsx`: instrument attachments and stop button. -- `apps/web/src/components/chat-messages-panel.tsx`: scroll-to-bottom. -- `apps/web/src/components/openrouter-link-modal.tsx` & `account-settings-modal.tsx`: API key lifecycle events. -- `apps/web/src/components/settings-page-client.tsx`: `settings.viewed`, guest CTA, theme picks. -- `apps/web/src/components/theme-toggle.tsx` & `settings/theme-selector.tsx`: theme events. -- `apps/web/src/lib/sync.ts`: connection/subscription telemetry. -- `apps/server/src/routers/index.ts`: in catch blocks where fallback memory is used, capture `workspace.fallback_storage_used`. -- `apps/web/src/app/api/chat/chat-handler.ts`: expand streaming events, rate-limit hits, API failures. -- `apps/web/src/utils/orpc.ts`: wrap `client` calls with error instrumentation for `rpc.error`. -- `apps/extension/entrypoints/popup/*.tsx`: minimal signals for extension adoption (optional now). +- `apps/web/src/components/hero-section.tsx`: fire `marketing.visit_landing` on mount and `marketing.cta_clicked` on CTA buttons. +- `apps/web/src/components/app-sidebar.tsx`: emit `chat.created` once create resolves; include `storage_backend` from response/fallback context. +- `apps/web/src/components/chat-room.tsx`: enrich `chat_message_submitted`, capture `chat.rate_limited` feedback (server response), and pass stats for `chat_message_stream`. +- `apps/web/src/components/chat-composer.tsx`: emit `chat.attachment_event` with `result` set appropriately. +- `apps/web/src/components/openrouter-link-modal.tsx` & `account-settings-modal.tsx`: handle `openrouter.key_prompt_shown`, `openrouter.key_saved`, `openrouter.key_removed`. +- `apps/web/src/components/model-selector.tsx`: update the `model_id` super-property on change. +- `apps/web/src/lib/sync.ts`: emit `sync.connection_state` inside `onopen`, `onclose`, and retry logic. +- `apps/server/src/routers/index.ts`: in catch blocks where memory fallbacks run, fire `workspace.fallback_storage_used`. +- `apps/web/src/app/api/chat/chat-handler.ts`: ensure `chat_message_stream` properties, emit `chat.rate_limited`, and capture latency/error metadata. +- `apps/web/src/lib/posthog.ts`: register shared super-properties during bootstrap. --- ## 6. Next Steps 1. Align engineering on naming conventions (`scope.action`) and property casing (snake_case). -2. Implement super-property registration + `$pageview` enhancement (referrer/domain) first so every session has provenance. -3. Iterate on event additions by surface (auth → chat → settings), deploying behind a feature flag if needed. -4. Validate in PostHog using the "Live events" feed; ensure events marry to the correct distinct ids (guest vs authenticated). -5. Build dashboards in the order above, then share with stakeholders for feedback. - -With this instrumentation in place, you’ll have the coverage needed to monitor acquisition sources, onboarding friction, chat reliability, personalization adoption, and extension engagement—all within PostHog. +2. Ship the `$pageview` enrichment + super-property registration so sessions always include referrer and workspace metadata. +3. Instrument the events in two passes: marketing surface (landing + CTA) followed by chat surface (creation, streaming, attachments, OpenRouter flows). +4. Validate in PostHog’s Live Events feed; confirm rate limiting and fallback events appear only when expected. +5. Build the dashboards above and set alert thresholds for reliability metrics. +With this instrumentation in place, you’ll have lean but actionable coverage across acquisition, chat usage, reliability, and OpenRouter activation without burning through unnecessary event volume. From 541492403f8ca2d6abaf81063d10f8c96590c335 Mon Sep 17 00:00:00 2001 From: Leo Date: Thu, 16 Oct 2025 02:03:44 +0000 Subject: [PATCH 3/4] chore(license): add GNU AGPL v3 license to project - Added full text of GNU Affero General Public License version 3 in LICENSE file - Updated README.md with license information referencing the new LICENSE file Co-authored-by: terragon-labs[bot] --- LICENSE | 666 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ README.md | 6 + 2 files changed, 672 insertions(+) create mode 100644 LICENSE diff --git a/LICENSE b/LICENSE new file mode 100644 index 00000000..c5b2de64 --- /dev/null +++ b/LICENSE @@ -0,0 +1,666 @@ +Copyright (C) 2025 OpenChat +This program is free software: you can redistribute it and/or modify +it under the terms of the GNU Affero General Public License as +published by the Free Software Foundation, version 3. + + GNU AFFERO GENERAL PUBLIC LICENSE + Version 3, 19 November 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU Affero General Public License is a free, copyleft license for +software and other kinds of works, specifically designed to ensure +cooperation with the community in the case of network server software. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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If not, see . + +Also add information on how to contact you by electronic and paper mail. + + If your software can interact with users remotely through a computer +network, you should also make sure that it provides a way for users to +get its source. For example, if your program is a web application, its +interface could display a "Source" link that leads users to an archive +of the code. There are many ways you could offer source, and different +solutions will be better for different programs; see section 13 for the +specific requirements. + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU AGPL, see +. diff --git a/README.md b/README.md index 0b37790c..db3295d4 100644 --- a/README.md +++ b/README.md @@ -7,3 +7,9 @@ Star History Chart + +## License + +Copyright (C) 2025 OpenChat. + +This project is free software; you can redistribute it and/or modify it under the terms of the GNU Affero General Public License version 3 as published by the Free Software Foundation. See `LICENSE` for the full text. From 886a7f1e763b86fe940bae75f8e4b815bc96c3a6 Mon Sep 17 00:00:00 2001 From: Leo <108278866+leoisadev8@users.noreply.github.com> Date: Thu, 16 Oct 2025 17:41:28 -0400 Subject: [PATCH 4/4] Revert "Add GNU AGPLv3 license and README notice" --- LICENSE | 666 ------------------------------------------------------ README.md | 6 - 2 files changed, 672 deletions(-) delete mode 100644 LICENSE diff --git a/LICENSE b/LICENSE deleted file mode 100644 index c5b2de64..00000000 --- a/LICENSE +++ /dev/null @@ -1,666 +0,0 @@ -Copyright (C) 2025 OpenChat -This program is free software: you can redistribute it and/or modify -it under the terms of the GNU Affero General Public License as -published by the Free Software Foundation, version 3. - - GNU AFFERO GENERAL PUBLIC LICENSE - Version 3, 19 November 2007 - - Copyright (C) 2007 Free Software Foundation, Inc. - Everyone is permitted to copy and distribute verbatim copies - of this license document, but changing it is not allowed. - - Preamble - - The GNU Affero General Public License is a free, copyleft license for -software and other kinds of works, specifically designed to ensure -cooperation with the community in the case of network server software. - - The licenses for most software and other practical works are designed -to take away your freedom to share and change the works. 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Remote Network Interaction; Use with the GNU General Public License. - - Notwithstanding any other provision of this License, if you modify the -Program, your modified version must prominently offer all users -interacting with it remotely through a computer network (if your version -supports such interaction) an opportunity to receive the Corresponding -Source of your version by providing access to the Corresponding Source -from a network server at no charge, through some standard or customary -means of facilitating copying of software. This Corresponding Source -shall include the Corresponding Source for any work covered by version 3 -of the GNU General Public License that is incorporated pursuant to the -following paragraph. - - Notwithstanding any other provision of this License, you have -permission to link or combine any covered work with a work licensed -under version 3 of the GNU General Public License into a single -combined work, and to convey the resulting work. 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If the Program does not specify a version number of the -GNU Affero General Public License, you may choose any version ever published -by the Free Software Foundation. - - If the Program specifies that a proxy can decide which future -versions of the GNU Affero General Public License can be used, that proxy's -public statement of acceptance of a version permanently authorizes you -to choose that version for the Program. - - Later license versions may give you additional or different -permissions. However, no additional obligations are imposed on any -author or copyright holder as a result of your choosing to follow a -later version. - - 15. Disclaimer of Warranty. - - THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY -APPLICABLE LAW. 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Interpretation of Sections 15 and 16. - - If the disclaimer of warranty and limitation of liability provided -above cannot be given local legal effect according to their terms, -reviewing courts shall apply local law that most closely approximates -an absolute waiver of all civil liability in connection with the -Program, unless a warranty or assumption of liability accompanies a -copy of the Program in return for a fee. - - END OF TERMS AND CONDITIONS - - How to Apply These Terms to Your New Programs - - If you develop a new program, and you want it to be of the greatest -possible use to the public, the best way to achieve this is to make it -free software which everyone can redistribute and change under these terms. - - To do so, attach the following notices to the program. It is safest -to attach them to the start of each source file to most effectively -state the exclusion of warranty; and each file should have at least -the "copyright" line and a pointer to where the full notice is found. - - - Copyright (C) - - This program is free software: you can redistribute it and/or modify - it under the terms of the GNU Affero General Public License as published by - the Free Software Foundation, either version 3 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU Affero General Public License for more details. - - You should have received a copy of the GNU Affero General Public License - along with this program. If not, see . - -Also add information on how to contact you by electronic and paper mail. - - If your software can interact with users remotely through a computer -network, you should also make sure that it provides a way for users to -get its source. For example, if your program is a web application, its -interface could display a "Source" link that leads users to an archive -of the code. There are many ways you could offer source, and different -solutions will be better for different programs; see section 13 for the -specific requirements. - - You should also get your employer (if you work as a programmer) or school, -if any, to sign a "copyright disclaimer" for the program, if necessary. -For more information on this, and how to apply and follow the GNU AGPL, see -. diff --git a/README.md b/README.md index db3295d4..0b37790c 100644 --- a/README.md +++ b/README.md @@ -7,9 +7,3 @@ Star History Chart - -## License - -Copyright (C) 2025 OpenChat. - -This project is free software; you can redistribute it and/or modify it under the terms of the GNU Affero General Public License version 3 as published by the Free Software Foundation. See `LICENSE` for the full text.