docs: restructure documentation into multilevel directory layout
New structure: docs/ split into 11 subdirectories (getting-started/, agents/, providers/, sidecar/, multi-machine/, plugins/, config/, production/, architecture/, contributing/, pro/). New files: - docs/README.md: navigation index with audience table - docs/getting-started/quickstart.md: install, build, first session - docs/config/ref-settings.md: all env vars, config files, databases - docs/architecture/overview.md: split from architecture.md (>300 lines) - docs/pro/README.md: Pro edition overview - docs/pro/features/analytics.md: analytics dashboard docs - docs/pro/features/cost-intelligence.md: budget + router docs Remaining docs being written by background agents — will be committed in follow-up when complete.
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docs/pro/features/analytics.md
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docs/pro/features/analytics.md
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# Analytics Dashboard
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> This documentation covers Pro edition features available in the agents-orchestrator/agents-orchestrator private repository.
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## Overview
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The Analytics Dashboard provides historical cost and usage visibility across all projects. It reads from the community `session_metrics` table (no additional data collection required) and presents aggregated views through three commands and corresponding UI components.
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## Data Source
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All analytics are derived from the existing `session_metrics` table in `sessions.db`:
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```sql
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-- Community table (read-only access from Pro plugin)
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CREATE TABLE session_metrics (
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id INTEGER PRIMARY KEY,
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project_id TEXT NOT NULL,
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session_id TEXT NOT NULL,
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started_at TEXT,
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ended_at TEXT,
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peak_tokens INTEGER,
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turn_count INTEGER,
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tool_call_count INTEGER,
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cost_usd REAL,
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model TEXT,
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status TEXT,
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error_message TEXT
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);
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```
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The Pro plugin opens a read-only connection to `sessions.db` and queries this table. It never writes to community databases.
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## Commands
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### pro_analytics_summary
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Returns an aggregated summary for the specified period.
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**Arguments:**
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| Field | Type | Required | Description |
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|-------|------|----------|-------------|
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| `period` | `u32` | Yes | Number of days to look back (7, 14, 30, or 90) |
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| `projectId` | `String` | No | Filter to a single project. Omit for all projects. |
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**Response: `AnalyticsSummary`**
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```typescript
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interface AnalyticsSummary {
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totalCostUsd: number;
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totalSessions: number;
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totalTurns: number;
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totalToolCalls: number;
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avgCostPerSession: number;
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avgTurnsPerSession: number;
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peakTokensMax: number;
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periodDays: number;
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projectCount: number;
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}
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```
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### pro_analytics_daily
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Returns per-day statistics for charting.
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**Arguments:**
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| Field | Type | Required | Description |
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|-------|------|----------|-------------|
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| `period` | `u32` | Yes | Number of days (7, 14, 30, or 90) |
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| `projectId` | `String` | No | Filter to a single project |
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**Response: `Vec<DailyStats>`**
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```typescript
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interface DailyStats {
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date: string; // ISO 8601 date (YYYY-MM-DD)
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costUsd: number;
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sessionCount: number;
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turnCount: number;
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toolCallCount: number;
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}
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```
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Days with no sessions are included with zero values to ensure continuous chart data.
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### pro_analytics_model_breakdown
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Returns usage grouped by model.
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**Arguments:**
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| Field | Type | Required | Description |
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|-------|------|----------|-------------|
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| `period` | `u32` | Yes | Number of days (7, 14, 30, or 90) |
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| `projectId` | `String` | No | Filter to a single project |
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**Response: `Vec<ModelBreakdown>`**
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```typescript
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interface ModelBreakdown {
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model: string;
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sessionCount: number;
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totalCostUsd: number;
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avgCostPerSession: number;
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totalTurns: number;
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totalToolCalls: number;
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pctOfTotalCost: number; // 0.0 to 100.0
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}
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```
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Results are sorted by `totalCostUsd` descending.
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## Period Selection
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The UI presents four period options:
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| Period | Label | Use Case |
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|--------|-------|----------|
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| 7 | Last 7 days | Recent activity check |
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| 14 | Last 14 days | Sprint review |
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| 30 | Last 30 days | Monthly cost review |
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| 90 | Last 90 days | Quarterly trend analysis |
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The selected period is stored in the component state and defaults to 30 days. Changing the period triggers a fresh query (no client-side caching).
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## UI Components
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### AnalyticsDashboard.svelte
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Top-level Pro tab component. Contains:
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1. **Period selector** -- segmented button group (7/14/30/90).
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2. **Summary cards** -- four stat cards showing total cost, sessions, avg cost/session, peak tokens.
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3. **Daily cost chart** -- SVG bar chart rendered from `DailyStats[]`.
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4. **Model breakdown table** -- sortable table from `ModelBreakdown[]`.
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### Daily Cost Chart
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The chart is a pure SVG element (no charting library). Implementation details:
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- Bars are sized relative to the maximum daily cost in the period.
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- X-axis labels show abbreviated dates (e.g., "Mar 5").
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- Y-axis shows cost in USD with appropriate precision ($0.01 for small values, $1.00 for large).
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- Hover tooltip shows exact cost, session count, and turn count for the day.
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- Colors use `var(--ctp-blue)` for bars, `var(--ctp-surface1)` for gridlines.
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- Responsive: adapts bar width to container via `container-type: inline-size`.
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### Model Breakdown Table
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Standard sortable table with columns: Model, Sessions, Cost, Avg Cost, Turns, Tools, % of Total. Default sort by cost descending. The `% of Total` column includes a proportional bar using `var(--ctp-sapphire)`.
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## IPC Examples
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```typescript
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// Get 30-day summary across all projects
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const summary = await invoke('plugin:agor-pro|pro_analytics_summary', {
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period: 30,
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});
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// Get daily stats for a specific project
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const daily = await invoke('plugin:agor-pro|pro_analytics_daily', {
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period: 14,
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projectId: 'my-project',
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});
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// Get model breakdown
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const models = await invoke('plugin:agor-pro|pro_analytics_model_breakdown', {
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period: 90,
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});
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```
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## Limitations
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- Analytics are computed on-demand from raw session_metrics rows. For large datasets (10,000+ sessions), queries may take 100-200ms. No materialized views or pre-aggregation.
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- Historical data depends on community session_metrics persistence. If sessions.db is deleted or migrated, analytics history resets.
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- Cost values are only available for providers that report cost (Claude, Codex). Ollama sessions show $0.00.
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