comparing 6c2865339d9d7f30d1c0e9c8584daba9a9a299ed and main on nekomimi.pet/cute-monitor

+3 -1

web/config.example.json

···

       2
       2
        
       	"pds": "https://bsky.social",

     

       3
       3
        
       	"did": "did:plc:your-did-here",

     

       4
       4
        
       	"title": "cuteuptime",

     

       5
       5
       -
       	"subtitle": "cute uptime monitoring using your PDS to store events"

     

       5
       5
       +
       	"subtitle": "cute uptime monitoring using your PDS to store events",

     

       6
       6
       +
       	"showInactivityWarning": true,

     

       7
       7
       +
       	"inactivityThresholdMinutes": 5

     

       6
       8
        
       }

     

       7
       9

+3 -1

web/package.json

···

       9
       9
        
       	},

     

       10
       10
        
       	"dependencies": {

     

       11
       11
        
       		"@atcute/atproto": "^3.1.9",

     

       12
       12
       -
       		"@atcute/client": "^4.0.5"

     

       12
       12
       +
       		"@atcute/client": "^4.0.5",

     

       13
       13
       +
       		"chart.js": "^4.5.1",

     

       14
       14
       +
       		"chartjs-plugin-annotation": "^3.1.0"

     

       13
       15
        
       	},

     

       14
       16
        
       	"devDependencies": {

     

       15
       17
        
       		"@sveltejs/vite-plugin-svelte": "^5.0.2",

+59 -13

web/src/app.svelte

···

       1
       1
        
       <script lang="ts">

     

       2
       2
        
       	import { onMount } from 'svelte';

     

       3
       3
       -
       	import { fetchUptimeChecks } from './lib/atproto.ts';

     

       3
       3
       +
       	import { fetchUptimeChecks, fetchInitialUptimeChecks } from './lib/atproto.ts';

     

       4
       4
        
       	import UptimeDisplay from './lib/uptime-display.svelte';

     

       5
       5
        
       	import type { UptimeCheckRecord } from './lib/types.ts';

     

       6
       6
        
       	import { config } from './lib/config.ts';

     

       7
       7
        
       

     

       8
       8
        
       	let checks = $state<UptimeCheckRecord[]>([]);

     

       9
       9
       -
       	let loading = $state(true);

     

       9
       9
       +
       	let loading = $state(false);

     

       10
       10
        
       	let error = $state('');

     

       11
       11
        
       	let lastUpdate = $state<Date | null>(null);

     

       12
       12
       +
       	let hasRecentEvents = $state(true);

     

       13
       13
       +
       	let initialLoadComplete = $state(false);

     

       14
       14
       +
       	let isLoadingMore = $state(false);

     

       15
       15
       +
       

     

       16
       16
       +
       	/**

     

       17
       17
       +
       	 * checks if there are any events in the configured threshold period

     

       18
       18
       +
       	 */

     

       19
       19
       +
       	function checkForRecentEvents(records: UptimeCheckRecord[]): boolean {

     

       20
       20
       +
       		const thresholdMinutes = config.inactivityThresholdMinutes || 5;

     

       21
       21
       +
       		const thresholdTimeAgo = new Date(Date.now() - thresholdMinutes * 60 * 1000);

     

       22
       22
       +
       		return records.some(record => record.indexedAt > thresholdTimeAgo);

     

       23
       23
       +
       	}

     

       12
       24
        
       

     

       13
       25
        
       	async function loadChecks() {

     

       14
       14
       -
       		loading = true;

     

       26
       26
       +
       		if (!initialLoadComplete) {

     

       27
       27
       +
       			isLoadingMore = true;

     

       28
       28
       +
       		} else {

     

       29
       29
       +
       			loading = true;

     

       30
       30
       +
       		}

     

       15
       31
        
       		error = '';

     

       16
       32
        
       

     

       17
       33
        
       		try {

     

       18
       18
       -
       			checks = await fetchUptimeChecks(config.pds, config.did);

     

       19
       19
       -
       			lastUpdate = new Date();

     

       34
       34
       +
       			if (!initialLoadComplete) {

     

       35
       35
       +
       				// Initial load: fetch records progressively and show in real-time

     

       36
       36
       +
       				await fetchInitialUptimeChecks(config.pds, config.did, (progressRecords) => {

     

       37
       37
       +
       					checks = progressRecords;

     

       38
       38
       +
       					lastUpdate = new Date();

     

       39
       39
       +
       					hasRecentEvents = checkForRecentEvents(progressRecords);

     

       40
       40
       +
       				});

     

       41
       41
       +
       				initialLoadComplete = true;

     

       42
       42
       +
       			} else {

     

       43
       43
       +
       				// Refresh: fetch only new records and append them

     

       44
       44
       +
       				const result = await fetchUptimeChecks(config.pds, config.did);

     

       45
       45
       +
       				if (result.records.length > 0) {

     

       46
       46
       +
       					// Check if we actually have new records by comparing with existing ones

     

       47
       47
       +
       					const existingUris = new Set(checks.map(c => c.uri));

     

       48
       48
       +
       					const newRecords = result.records.filter(r => !existingUris.has(r.uri));

     

       49
       49
       +
       					

     

       50
       50
       +
       					if (newRecords.length > 0) {

     

       51
       51
       +
       						checks = newRecords.concat(checks); // prepend new records

     

       52
       52
       +
       					}

     

       53
       53
       +
       				}

     

       54
       54
       +
       				lastUpdate = new Date();

     

       55
       55
       +
       				hasRecentEvents = checkForRecentEvents(checks);

     

       56
       56
       +
       			}

     

       20
       57
        
       		} catch (err) {

     

       21
       58
        
       			error = (err as Error).message || 'failed to fetch uptime checks';

     

       22
       59
        
       			checks = [];

     

       23
       60
        
       		} finally {

     

       24
       61
        
       			loading = false;

     

       62
       62
       +
       			isLoadingMore = false;

     

       25
       63
        
       		}

     

       26
       64
        
       	}

     

       27
       65
        
       

     
···

       48
       86
        
       					last updated: {lastUpdate.toLocaleTimeString()}

     

       49
       87
        
       				</span>

     

       50
       88
        
       			{/if}

     

       89
       89
       +
       			{#if isLoadingMore}

     

       90
       90
       +
       				<span class="text-sm text-primary animate-pulse">

     

       91
       91
       +
       					fetching more data...

     

       92
       92
       +
       				</span>

     

       93
       93
       +
       			{/if}

     

       51
       94
        
       		</div>

     

       52
       95
        
       		<button 

     

       53
       96
        
       			class="px-4 py-2 bg-primary text-primary-foreground rounded-md text-sm font-medium hover:opacity-90 disabled:opacity-50 transition-opacity" 

     

       54
       97
        
       			onclick={loadChecks} 

     

       55
       55
       -
       			disabled={loading}

     

       98
       98
       +
       			disabled={loading || isLoadingMore}

     

       56
       99
        
       		>

     

       57
       57
       -
       			{loading ? 'refreshing...' : 'refresh'}

     

       100
       100
       +
       			{loading || isLoadingMore ? 'loading...' : 'refresh'}

     

       58
       101
        
       		</button>

     

       59
       102
        
       	</div>

     

       60
       103
        
       

     
···

       64
       107
        
       		</div>

     

       65
       108
        
       	{/if}

     

       66
       109
        
       

     

       110
       110
       +
       	{#if config.showInactivityWarning && !hasRecentEvents && checks.length > 0}

     

       111
       111
       +
       		<div class="bg-yellow-50 border border-yellow-200 text-yellow-800 rounded-lg p-4 mb-4">

     

       112
       112
       +
       			<strong>⚠️ Warning:</strong> No uptime pings received in the last {config.inactivityThresholdMinutes || 5} minutes. 

     

       113
       113
       +
       			The uptime monitor may be offline or experiencing issues.

     

       114
       114
       +
       		</div>

     

       115
       115
       +
       	{/if}

     

       116
       116
       +
       

     

       67
       117
        
       	{#if loading && checks.length === 0}

     

       68
       118
        
       		<div class="text-center py-12 bg-card rounded-lg shadow-sm text-muted-foreground">

     

       69
       69
       -
       			loading uptime data...

     

       119
       119
       +
       			fetching uptime data...

     

       70
       120
        
       		</div>

     

       71
       71
       -
       	{:else if checks.length > 0}

     

       121
       121
       +
       	{:else}

     

       72
       122
        
       		<UptimeDisplay {checks} />

     

       73
       73
       -
       	{:else if !loading}

     

       74
       74
       -
       		<div class="text-center py-12 bg-card rounded-lg shadow-sm text-muted-foreground">

     

       75
       75
       -
       			no uptime data available

     

       76
       76
       -
       		</div>

     

       77
       123
        
       	{/if}

     

       78
       124
        
       

     

       79
       125
        
       	<footer class="mt-12 pt-8 border-t border-border text-center text-sm text-muted-foreground">

+56 -5

web/src/lib/atproto.ts

···

       4
       4
        
       import type { UptimeCheck, UptimeCheckRecord } from './types.ts';

     

       5
       5
        
       

     

       6
       6
        
       /**

     

       7
       7
       -
        * fetches uptime check records from a PDS for a given DID

     

       7
       7
       +
        * fetches uptime check records from a PDS for a given DID with cursor support

     

       8
       8
        
        *

     

       9
       9
        
        * @param pds the PDS URL

     

       10
       10
        
        * @param did the DID or handle to fetch records for

     

       11
       11
       -
        * @returns array of uptime check records

     

       11
       11
       +
        * @param cursor optional cursor for pagination

     

       12
       12
       +
        * @returns object with records array and optional next cursor

     

       12
       13
        
        */

     

       13
       14
        
       export async function fetchUptimeChecks(

     

       14
       15
        
       	pds: string,

     

       15
       16
        
       	did: ActorIdentifier,

     

       16
       16
       -
       ): Promise<UptimeCheckRecord[]> {

     

       17
       17
       +
       	cursor?: string,

     

       18
       18
       +
       ): Promise<{ records: UptimeCheckRecord[]; cursor?: string }> {

     

       17
       19
        
       	const handler = simpleFetchHandler({ service: pds });

     

       18
       20
        
       	const rpc = new Client({ handler });

     

       19
       21
        
       

     
···

       30
       32
        
       		resolvedDid = did as Did;

     

       31
       33
        
       	}

     

       32
       34
        
       

     

       33
       33
       -
       	// fetch uptime check records

     

       35
       35
       +
       	// fetch uptime check records with cursor

     

       34
       36
        
       	const response = await ok(

     

       35
       37
        
       		rpc.get('com.atproto.repo.listRecords', {

     

       36
       38
        
       			params: {

     

       37
       39
        
       				repo: resolvedDid,

     

       38
       40
        
       				collection: 'pet.nkp.uptime.check',

     

       39
       41
        
       				limit: 100,

     

       42
       42
       +
       				cursor,

     

       40
       43
        
       			},

     

       41
       44
        
       		}),

     

       42
       45
        
       	);

     

       43
       46
        
       

     

       44
       47
        
       	// transform records into a more usable format

     

       45
       45
       -
       	return response.records.map((record) => ({

     

       48
       48
       +
       	const records = response.records.map((record) => ({

     

       46
       49
        
       		uri: record.uri,

     

       47
       50
        
       		cid: record.cid,

     

       48
       51
        
       		value: record.value as unknown as UptimeCheck,

     

       49
       52
        
       		indexedAt: new Date((record.value as unknown as UptimeCheck).checkedAt),

     

       50
       53
        
       	}));

     

       54
       54
       +
       

     

       55
       55
       +
       	return {

     

       56
       56
       +
       		records,

     

       57
       57
       +
       		cursor: response.cursor,

     

       58
       58
       +
       	};

     

       59
       59
       +
       }

     

       60
       60
       +
       

     

       61
       61
       +
       /**

     

       62
       62
       +
        * fetches up to 2000 uptime check records using cursor pagination with progress callback

     

       63
       63
       +
        * stops early if no more records are available

     

       64
       64
       +
        *

     

       65
       65
       +
        * @param pds the PDS URL

     

       66
       66
       +
        * @param did the DID or handle to fetch records for

     

       67
       67
       +
        * @param onProgress optional callback called with each batch of records

     

       68
       68
       +
        * @returns array of uptime check records (max 2000)

     

       69
       69
       +
        */

     

       70
       70
       +
       export async function fetchInitialUptimeChecks(

     

       71
       71
       +
       	pds: string,

     

       72
       72
       +
       	did: ActorIdentifier,

     

       73
       73
       +
       	onProgress?: (records: UptimeCheckRecord[]) => void,

     

       74
       74
       +
       ): Promise<UptimeCheckRecord[]> {

     

       75
       75
       +
       	let allRecords: UptimeCheckRecord[] = [];

     

       76
       76
       +
       	let cursor: string | undefined;

     

       77
       77
       +
       	const maxRecords = 2000;

     

       78
       78
       +
       	const batchSize = 100;

     

       79
       79
       +
       	let totalFetched = 0;

     

       80
       80
       +
       

     

       81
       81
       +
       	do {

     

       82
       82
       +
       		const result = await fetchUptimeChecks(pds, did, cursor);

     

       83
       83
       +
       		const newRecords = result.records;

     

       84
       84
       +
       		allRecords = allRecords.concat(newRecords);

     

       85
       85
       +
       		totalFetched += newRecords.length;

     

       86
       86
       +
       		cursor = result.cursor;

     

       87
       87
       +
       		

     

       88
       88
       +
       		// Call progress callback with the accumulated records

     

       89
       89
       +
       		if (onProgress) {

     

       90
       90
       +
       			onProgress(allRecords);

     

       91
       91
       +
       		}

     

       92
       92
       +
       		

     

       93
       93
       +
       		// Stop early if we got fewer records than the batch size (indicating we've exhausted all records)

     

       94
       94
       +
       		// or if no cursor is returned (also indicating no more records)

     

       95
       95
       +
       		if (newRecords.length < batchSize || !cursor) {

     

       96
       96
       +
       			break;

     

       97
       97
       +
       		}

     

       98
       98
       +
       		

     

       99
       99
       +
       	} while (cursor && totalFetched < maxRecords);

     

       100
       100
       +
       

     

       101
       101
       +
       	return allRecords;

     

       51
       102
        
       }

+8 -1

web/src/lib/config.ts

···

       9
       9
        
       	did: ActorIdentifier;

     

       10
       10
        
       	title: string;

     

       11
       11
        
       	subtitle: string;

     

       12
       12
       +
       	/** whether to show the 5-minute inactivity warning */

     

       13
       13
       +
       	showInactivityWarning?: boolean;

     

       14
       14
       +
       	/** minutes to check for recent activity (default: 5) */

     

       15
       15
       +
       	inactivityThresholdMinutes?: number;

     

       12
       16
        
       };

     

       13
       17
        
       

     

       14
       14
       -
       export const config = __CONFIG__;

     

       18
       18
       +
       export const config = __CONFIG__ as typeof __CONFIG__ & {

     

       19
       19
       +
       	showInactivityWarning: boolean;

     

       20
       20
       +
       	inactivityThresholdMinutes: number;

     

       21
       21
       +
       };

     

       15
       22

+418 -2

web/src/lib/uptime-display.svelte

···

       1
       1
        
       <script lang="ts">

     

       2
       2
        
       	import type { UptimeCheckRecord } from './types.ts';

     

       3
       3
       +
       	import { onMount } from 'svelte';

     

       4
       4
       +
       	import { Chart, LineController, LineElement, PointElement, LinearScale, TimeScale, Title, Tooltip, CategoryScale } from 'chart.js';

     

       5
       5
       +
       	import annotationPlugin from 'chartjs-plugin-annotation';

     

       6
       6
       +
       

     

       7
       7
       +
       	Chart.register(LineController, LineElement, PointElement, LinearScale, TimeScale, Title, Tooltip, CategoryScale, annotationPlugin);

     

       3
       8
        
       

     

       4
       9
        
       	interface Props {

     

       5
       10
        
       		checks: UptimeCheckRecord[];

     

       6
       11
        
       	}

     

       7
       12
        
       

     

       8
       13
        
       	const { checks }: Props = $props();

     

       14
       14
       +
       

     

       15
       15
       +
       	// Track which service charts are expanded

     

       16
       16
       +
       	let expandedCharts = $state(new Set<string>());

     

       17
       17
       +
       	// Track which tab is active for each service (derivative or uptime)

     

       18
       18
       +
       	let activeTab = $state(new Map<string, 'derivative' | 'uptime'>());

     

       9
       19
        
       

     

       10
       20
        
       	// group checks by group name, then by region, then by service

     

       11
       21
        
       	const groupedData = $derived(() => {

     
···

       68
       78
        
       			timeStyle: 'short',

     

       69
       79
        
       		}).format(date);

     

       70
       80
        
       	}

     

       81
       81
       +
       

     

       82
       82
       +
       	// Calculate derivative (change in response time between checks)

     

       83
       83
       +
       	function calculateDerivative(checks: UptimeCheckRecord[]): { labels: string[], values: number[], colors: string[], pointRadii: number[] } {

     

       84
       84
       +
       		if (checks.length < 2) {

     

       85
       85
       +
       			return { labels: [], values: [], colors: [], pointRadii: [] };

     

       86
       86
       +
       		}

     

       87
       87
       +
       

     

       88
       88
       +
       		// Reverse to get oldest first for proper time ordering

     

       89
       89
       +
       		const sorted = [...checks].reverse();

     

       90
       90
       +
       		const labels: string[] = [];

     

       91
       91
       +
       		const values: number[] = [];

     

       92
       92
       +
       		const colors: string[] = [];

     

       93
       93
       +
       

     

       94
       94
       +
       		for (let i = 1; i < sorted.length; i++) {

     

       95
       95
       +
       			const prev = sorted[i - 1];

     

       96
       96
       +
       			const curr = sorted[i];

     

       97
       97
       +
       

     

       98
       98
       +
       			// Skip if either check is down

     

       99
       99
       +
       			if (prev.value.status !== 'up' || curr.value.status !== 'up') {

     

       100
       100
       +
       				continue;

     

       101
       101
       +
       			}

     

       102
       102
       +
       

     

       103
       103
       +
       			const change = curr.value.responseTime - prev.value.responseTime;

     

       104
       104
       +
       			labels.push(formatTimestamp(curr.indexedAt));

     

       105
       105
       +
       			values.push(change);

     

       106
       106
       +
       

     

       107
       107
       +
       			// Color code based on brightness: brighter = better (faster), darker = worse (slower)

     

       108
       108
       +
       			const absChange = Math.abs(change);

     

       109
       109
       +
       			const maxChange = 500; // Normalize around 500ms as reference

     

       110
       110
       +
       			const intensity = Math.min(absChange / maxChange, 1);

     

       111
       111
       +
       

     

       112
       112
       +
       			if (change < 0) {

     

       113
       113
       +
       				// Faster (good) - brighter pink

     

       114
       114
       +
       				const brightness = 0.65 + (intensity * 0.25); // 0.65 to 0.9

     

       115
       115
       +
       				colors.push(`oklch(${brightness} 0.15 345)`);

     

       116
       116
       +
       			} else {

     

       117
       117
       +
       				// Slower (bad) - darker pink

     

       118
       118
       +
       				const brightness = 0.65 - (intensity * 0.35); // 0.65 to 0.3

     

       119
       119
       +
       				colors.push(`oklch(${brightness} 0.15 345)`);

     

       120
       120
       +
       			}

     

       121
       121
       +
       		}

     

       122
       122
       +
       

     

       123
       123
       +
       		// Calculate standard deviation

     

       124
       124
       +
       		const mean = values.reduce((sum, v) => sum + Math.abs(v), 0) / values.length;

     

       125
       125
       +
       		const variance = values.reduce((sum, v) => sum + Math.pow(Math.abs(v) - mean, 2), 0) / values.length;

     

       126
       126
       +
       		const stdDev = Math.sqrt(variance);

     

       127
       127
       +
       

     

       128
       128
       +
       		// Determine which points to show based on std deviation

     

       129
       129
       +
       		const pointRadii = values.map((value, index) => {

     

       130
       130
       +
       			const absValue = Math.abs(value);

     

       131
       131
       +
       			// Show point if it's a significant spike (> 1 std dev) OR every other point

     

       132
       132
       +
       			if (absValue > mean + stdDev) {

     

       133
       133
       +
       				return 5; // Larger dot for significant spikes

     

       134
       134
       +
       			} else if (index % 2 === 0) {

     

       135
       135
       +
       				return 3; // Show every other point at normal size

     

       136
       136
       +
       			} else {

     

       137
       137
       +
       				return 0; // Hide this point

     

       138
       138
       +
       			}

     

       139
       139
       +
       		});

     

       140
       140
       +
       

     

       141
       141
       +
       		return { labels, values, colors, pointRadii };

     

       142
       142
       +
       	}

     

       143
       143
       +
       

     

       144
       144
       +
       	function toggleChart(serviceKey: string) {

     

       145
       145
       +
       		const newSet = new Set(expandedCharts);

     

       146
       146
       +
       		if (newSet.has(serviceKey)) {

     

       147
       147
       +
       			newSet.delete(serviceKey);

     

       148
       148
       +
       		} else {

     

       149
       149
       +
       			newSet.add(serviceKey);

     

       150
       150
       +
       			// Default to uptime tab when opening

     

       151
       151
       +
       			if (!activeTab.has(serviceKey)) {

     

       152
       152
       +
       				const newTabMap = new Map(activeTab);

     

       153
       153
       +
       				newTabMap.set(serviceKey, 'uptime');

     

       154
       154
       +
       				activeTab = newTabMap;

     

       155
       155
       +
       			}

     

       156
       156
       +
       		}

     

       157
       157
       +
       		expandedCharts = newSet;

     

       158
       158
       +
       	}

     

       159
       159
       +
       

     

       160
       160
       +
       	function setActiveTab(serviceKey: string, tab: 'derivative' | 'uptime') {

     

       161
       161
       +
       		const newTabMap = new Map(activeTab);

     

       162
       162
       +
       		newTabMap.set(serviceKey, tab);

     

       163
       163
       +
       		activeTab = newTabMap;

     

       164
       164
       +
       	}

     

       165
       165
       +
       

     

       166
       166
       +
       	// Calculate uptime percentage in hourly rolling windows

     

       167
       167
       +
       	function calculateHourlyUptime(checks: UptimeCheckRecord[]): { labels: string[], values: number[], colors: string[] } {

     

       168
       168
       +
       		if (checks.length === 0) {

     

       169
       169
       +
       			return { labels: [], values: [], colors: [] };

     

       170
       170
       +
       		}

     

       171
       171
       +
       

     

       172
       172
       +
       		const sorted = [...checks].reverse(); // Oldest first

     

       173
       173
       +
       		const hourlyBuckets = new Map<number, { total: number, up: number }>();

     

       174
       174
       +
       

     

       175
       175
       +
       		// Group checks into hourly buckets

     

       176
       176
       +
       		for (const check of sorted) {

     

       177
       177
       +
       			const hourTimestamp = Math.floor(check.indexedAt.getTime() / (1000 * 60 * 60)); // Round to hour

     

       178
       178
       +
       

     

       179
       179
       +
       			if (!hourlyBuckets.has(hourTimestamp)) {

     

       180
       180
       +
       				hourlyBuckets.set(hourTimestamp, { total: 0, up: 0 });

     

       181
       181
       +
       			}

     

       182
       182
       +
       

     

       183
       183
       +
       			const bucket = hourlyBuckets.get(hourTimestamp)!;

     

       184
       184
       +
       			bucket.total++;

     

       185
       185
       +
       			if (check.value.status === 'up') {

     

       186
       186
       +
       				bucket.up++;

     

       187
       187
       +
       			}

     

       188
       188
       +
       		}

     

       189
       189
       +
       

     

       190
       190
       +
       		// Convert to arrays sorted by time

     

       191
       191
       +
       		const sortedBuckets = Array.from(hourlyBuckets.entries()).sort((a, b) => a[0] - b[0]);

     

       192
       192
       +
       

     

       193
       193
       +
       		const labels: string[] = [];

     

       194
       194
       +
       		const values: number[] = [];

     

       195
       195
       +
       		const colors: string[] = [];

     

       196
       196
       +
       

     

       197
       197
       +
       		for (const [hourTimestamp, bucket] of sortedBuckets) {

     

       198
       198
       +
       			const date = new Date(hourTimestamp * 1000 * 60 * 60);

     

       199
       199
       +
       			const percentage = (bucket.up / bucket.total) * 100;

     

       200
       200
       +
       

     

       201
       201
       +
       			labels.push(new Intl.DateTimeFormat('en-US', {

     

       202
       202
       +
       				month: 'short',

     

       203
       203
       +
       				day: 'numeric',

     

       204
       204
       +
       				hour: 'numeric'

     

       205
       205
       +
       			}).format(date));

     

       206
       206
       +
       

     

       207
       207
       +
       			values.push(percentage);

     

       208
       208
       +
       

     

       209
       209
       +
       			// Gradient: 100% = pink (good), <99% = purple-ish, <95% = dark blue (bad)

     

       210
       210
       +
       			if (percentage >= 99.5) {

     

       211
       211
       +
       				colors.push('oklch(0.78 0.15 345)'); // Pink - good!

     

       212
       212
       +
       			} else if (percentage >= 95) {

     

       213
       213
       +
       				colors.push('oklch(0.65 0.12 285)'); // Purple - concerning

     

       214
       214
       +
       			} else {

     

       215
       215
       +
       				colors.push('oklch(0.32 0.04 285)'); // Dark blue - bad

     

       216
       216
       +
       			}

     

       217
       217
       +
       		}

     

       218
       218
       +
       

     

       219
       219
       +
       		return { labels, values, colors };

     

       220
       220
       +
       	}

     

       221
       221
       +
       

     

       222
       222
       +
       	function createDerivativeChart(canvas: HTMLCanvasElement, checks: UptimeCheckRecord[]) {

     

       223
       223
       +
       		const derivative = calculateDerivative(checks);

     

       224
       224
       +
       

     

       225
       225
       +
       		if (derivative.values.length === 0) {

     

       226
       226
       +
       			return;

     

       227
       227
       +
       		}

     

       228
       228
       +
       

     

       229
       229
       +
       		// Get CSS variables for theme-aware colors

     

       230
       230
       +
       		const rootStyle = getComputedStyle(document.documentElement);

     

       231
       231
       +
       		const foregroundColor = rootStyle.getPropertyValue('--foreground').trim() || 'oklch(0.18 0.01 30)';

     

       232
       232
       +
       		const mutedForegroundColor = rootStyle.getPropertyValue('--muted-foreground').trim() || 'oklch(0.42 0.015 30)';

     

       233
       233
       +
       		const borderColor = rootStyle.getPropertyValue('--border').trim() || 'oklch(0.75 0.015 30)';

     

       234
       234
       +
       

     

       235
       235
       +
       		// Calculate background annotations for problem areas

     

       236
       236
       +
       		const annotations: any = {};

     

       237
       237
       +
       		const threshold = 100; // 100ms change is "significant"

     

       238
       238
       +
       

     

       239
       239
       +
       		derivative.values.forEach((value, index) => {

     

       240
       240
       +
       			if (value > threshold) {

     

       241
       241
       +
       				// Significant slowdown - add red background

     

       242
       242
       +
       				annotations[`problem-${index}`] = {

     

       243
       243
       +
       					type: 'box',

     

       244
       244
       +
       					xMin: index - 0.5,

     

       245
       245
       +
       					xMax: index + 0.5,

     

       246
       246
       +
       					backgroundColor: 'rgba(239, 68, 68, 0.15)', // Red with transparency

     

       247
       247
       +
       					borderWidth: 0

     

       248
       248
       +
       				};

     

       249
       249
       +
       			}

     

       250
       250
       +
       		});

     

       251
       251
       +
       

     

       252
       252
       +
       		const chart = new Chart(canvas, {

     

       253
       253
       +
       			type: 'line',

     

       254
       254
       +
       			data: {

     

       255
       255
       +
       				labels: derivative.labels,

     

       256
       256
       +
       				datasets: [{

     

       257
       257
       +
       					label: 'Response Time Change (ms)',

     

       258
       258
       +
       					data: derivative.values,

     

       259
       259
       +
       					borderColor: 'oklch(0.78 0.15 345)', // Pink line

     

       260
       260
       +
       					backgroundColor: 'transparent',

     

       261
       261
       +
       					tension: 0.4,

     

       262
       262
       +
       					pointBackgroundColor: 'oklch(0.78 0.15 345)',

     

       263
       263
       +
       					pointBorderColor: 'oklch(0.78 0.15 345)',

     

       264
       264
       +
       					pointRadius: derivative.pointRadii,

     

       265
       265
       +
       					pointHoverRadius: 6,

     

       266
       266
       +
       					fill: false,

     

       267
       267
       +
       				}]

     

       268
       268
       +
       			},

     

       269
       269
       +
       			options: {

     

       270
       270
       +
       				responsive: true,

     

       271
       271
       +
       				maintainAspectRatio: false,

     

       272
       272
       +
       				plugins: {

     

       273
       273
       +
       					tooltip: {

     

       274
       274
       +
       						backgroundColor: 'oklch(0.20 0.02 285)',

     

       275
       275
       +
       						titleColor: 'oklch(0.98 0.00 285)',

     

       276
       276
       +
       						bodyColor: 'oklch(0.98 0.00 285)',

     

       277
       277
       +
       						borderColor: 'oklch(0.56 0.08 220)',

     

       278
       278
       +
       						borderWidth: 1,

     

       279
       279
       +
       						callbacks: {

     

       280
       280
       +
       							label: (context) => {

     

       281
       281
       +
       								const value = context.parsed.y;

     

       282
       282
       +
       								const direction = value > 0 ? 'slower' : 'faster';

     

       283
       283
       +
       								return `${Math.abs(value).toFixed(0)}ms ${direction}`;

     

       284
       284
       +
       							}

     

       285
       285
       +
       						}

     

       286
       286
       +
       					},

     

       287
       287
       +
       					title: {

     

       288
       288
       +
       						display: true,

     

       289
       289
       +
       						text: 'latency spikes (change in response time) • lower is better',

     

       290
       290
       +
       						color: foregroundColor,

     

       291
       291
       +
       						font: {

     

       292
       292
       +
       							size: 14,

     

       293
       293
       +
       							weight: 'normal'

     

       294
       294
       +
       						}

     

       295
       295
       +
       					},

     

       296
       296
       +
       					annotation: {

     

       297
       297
       +
       						annotations

     

       298
       298
       +
       					}

     

       299
       299
       +
       				},

     

       300
       300
       +
       				scales: {

     

       301
       301
       +
       					y: {

     

       302
       302
       +
       						ticks: {

     

       303
       303
       +
       							color: mutedForegroundColor,

     

       304
       304
       +
       							callback: (value) => `${value}ms`

     

       305
       305
       +
       						},

     

       306
       306
       +
       						grid: {

     

       307
       307
       +
       							color: borderColor

     

       308
       308
       +
       						}

     

       309
       309
       +
       					},

     

       310
       310
       +
       					x: {

     

       311
       311
       +
       						ticks: {

     

       312
       312
       +
       							color: mutedForegroundColor,

     

       313
       313
       +
       							maxRotation: 45,

     

       314
       314
       +
       							minRotation: 45,

     

       315
       315
       +
       							autoSkip: true,

     

       316
       316
       +
       							maxTicksLimit: 6,

     

       317
       317
       +
       							callback: function(value, index, ticks) {

     

       318
       318
       +
       								// Always show the last (latest) timestamp

     

       319
       319
       +
       								if (index === ticks.length - 1) {

     

       320
       320
       +
       									return this.getLabelForValue(value);

     

       321
       321
       +
       								}

     

       322
       322
       +
       								// Show evenly distributed labels

     

       323
       323
       +
       								const skipRate = Math.ceil(ticks.length / 6);

     

       324
       324
       +
       								return index % skipRate === 0 ? this.getLabelForValue(value) : '';

     

       325
       325
       +
       							}

     

       326
       326
       +
       						},

     

       327
       327
       +
       						grid: {

     

       328
       328
       +
       							color: borderColor

     

       329
       329
       +
       						}

     

       330
       330
       +
       					}

     

       331
       331
       +
       				}

     

       332
       332
       +
       			}

     

       333
       333
       +
       		});

     

       334
       334
       +
       

     

       335
       335
       +
       		return {

     

       336
       336
       +
       			destroy() {

     

       337
       337
       +
       				chart.destroy();

     

       338
       338
       +
       			}

     

       339
       339
       +
       		};

     

       340
       340
       +
       	}

     

       341
       341
       +
       

     

       342
       342
       +
       	function createUptimeChart(canvas: HTMLCanvasElement, checks: UptimeCheckRecord[]) {

     

       343
       343
       +
       		const uptimeData = calculateHourlyUptime(checks);

     

       344
       344
       +
       

     

       345
       345
       +
       		if (uptimeData.values.length === 0) {

     

       346
       346
       +
       			return;

     

       347
       347
       +
       		}

     

       348
       348
       +
       

     

       349
       349
       +
       		// Get CSS variables for theme-aware colors

     

       350
       350
       +
       		const rootStyle = getComputedStyle(document.documentElement);

     

       351
       351
       +
       		const foregroundColor = rootStyle.getPropertyValue('--foreground').trim() || 'oklch(0.18 0.01 30)';

     

       352
       352
       +
       		const mutedForegroundColor = rootStyle.getPropertyValue('--muted-foreground').trim() || 'oklch(0.42 0.015 30)';

     

       353
       353
       +
       		const borderColor = rootStyle.getPropertyValue('--border').trim() || 'oklch(0.75 0.015 30)';

     

       354
       354
       +
       

     

       355
       355
       +
       		const chart = new Chart(canvas, {

     

       356
       356
       +
       			type: 'line',

     

       357
       357
       +
       			data: {

     

       358
       358
       +
       				labels: uptimeData.labels,

     

       359
       359
       +
       				datasets: [{

     

       360
       360
       +
       					label: 'Uptime %',

     

       361
       361
       +
       					data: uptimeData.values,

     

       362
       362
       +
       					borderColor: 'oklch(0.78 0.15 345)', // Pink

     

       363
       363
       +
       					backgroundColor: (context) => {

     

       364
       364
       +
       						const ctx = context.chart.ctx;

     

       365
       365
       +
       						const gradient = ctx.createLinearGradient(0, 0, 0, 250);

     

       366
       366
       +
       						gradient.addColorStop(0, 'oklch(0.78 0.15 345 / 0.4)'); // Pink at top (100%)

     

       367
       367
       +
       						gradient.addColorStop(0.5, 'oklch(0.65 0.12 285 / 0.2)'); // Purple middle (~97%)

     

       368
       368
       +
       						gradient.addColorStop(1, 'oklch(0.32 0.04 285 / 0.1)'); // Dark blue at bottom (<95%)

     

       369
       369
       +
       						return gradient;

     

       370
       370
       +
       					},

     

       371
       371
       +
       					tension: 0.4,

     

       372
       372
       +
       					pointBackgroundColor: uptimeData.colors,

     

       373
       373
       +
       					pointBorderColor: uptimeData.colors,

     

       374
       374
       +
       					pointRadius: 3,

     

       375
       375
       +
       					pointHoverRadius: 6,

     

       376
       376
       +
       					fill: true,

     

       377
       377
       +
       				}]

     

       378
       378
       +
       			},

     

       379
       379
       +
       			options: {

     

       380
       380
       +
       				responsive: true,

     

       381
       381
       +
       				maintainAspectRatio: false,

     

       382
       382
       +
       				plugins: {

     

       383
       383
       +
       					tooltip: {

     

       384
       384
       +
       						backgroundColor: 'oklch(0.20 0.02 285)',

     

       385
       385
       +
       						titleColor: 'oklch(0.98 0.00 285)',

     

       386
       386
       +
       						bodyColor: 'oklch(0.98 0.00 285)',

     

       387
       387
       +
       						borderColor: 'oklch(0.78 0.15 345)',

     

       388
       388
       +
       						borderWidth: 1,

     

       389
       389
       +
       						callbacks: {

     

       390
       390
       +
       							label: (context) => {

     

       391
       391
       +
       								const value = context.parsed.y;

     

       392
       392
       +
       								return `${value.toFixed(2)}% uptime`;

     

       393
       393
       +
       							}

     

       394
       394
       +
       						}

     

       395
       395
       +
       					},

     

       396
       396
       +
       					title: {

     

       397
       397
       +
       						display: true,

     

       398
       398
       +
       						text: 'uptime percentage (hourly)',

     

       399
       399
       +
       						color: foregroundColor,

     

       400
       400
       +
       						font: {

     

       401
       401
       +
       							size: 14,

     

       402
       402
       +
       							weight: 'normal'

     

       403
       403
       +
       						}

     

       404
       404
       +
       					}

     

       405
       405
       +
       				},

     

       406
       406
       +
       				scales: {

     

       407
       407
       +
       					y: {

     

       408
       408
       +
       						min: 0,

     

       409
       409
       +
       						max: 100,

     

       410
       410
       +
       						ticks: {

     

       411
       411
       +
       							color: mutedForegroundColor,

     

       412
       412
       +
       							callback: (value) => `${value}%`

     

       413
       413
       +
       						},

     

       414
       414
       +
       						grid: {

     

       415
       415
       +
       							color: borderColor

     

       416
       416
       +
       						}

     

       417
       417
       +
       					},

     

       418
       418
       +
       					x: {

     

       419
       419
       +
       						ticks: {

     

       420
       420
       +
       							color: mutedForegroundColor,

     

       421
       421
       +
       							maxRotation: 45,

     

       422
       422
       +
       							minRotation: 45,

     

       423
       423
       +
       							autoSkip: true,

     

       424
       424
       +
       							maxTicksLimit: 6,

     

       425
       425
       +
       							callback: function(value, index, ticks) {

     

       426
       426
       +
       								// Always show the last (latest) timestamp

     

       427
       427
       +
       								if (index === ticks.length - 1) {

     

       428
       428
       +
       									return this.getLabelForValue(value);

     

       429
       429
       +
       								}

     

       430
       430
       +
       								// Show evenly distributed labels

     

       431
       431
       +
       								const skipRate = Math.ceil(ticks.length / 6);

     

       432
       432
       +
       								return index % skipRate === 0 ? this.getLabelForValue(value) : '';

     

       433
       433
       +
       							}

     

       434
       434
       +
       						},

     

       435
       435
       +
       						grid: {

     

       436
       436
       +
       							color: borderColor

     

       437
       437
       +
       						}

     

       438
       438
       +
       					}

     

       439
       439
       +
       				}

     

       440
       440
       +
       			}

     

       441
       441
       +
       		});

     

       442
       442
       +
       

     

       443
       443
       +
       		return {

     

       444
       444
       +
       			destroy() {

     

       445
       445
       +
       				chart.destroy();

     

       446
       446
       +
       			}

     

       447
       447
       +
       		};

     

       448
       448
       +
       	}

     

       71
       449
        
       </script>

     

       72
       450
        
       

     

       73
       451
        
       <div class="mt-8">

     
···

       84
       462
        
       					<h3 class="text-xl font-semibold text-foreground mb-4 pl-2 border-l-4 border-accent">{region}</h3>

     

       85
       463
        
       

     

       86
       464
        
       					{#each [...serviceMap] as [serviceName, serviceChecks]}

     

       465
       465
       +
       						{@const serviceKey = `${groupName}-${region}-${serviceName}`}

     

       87
       466
        
       						<div class="bg-card rounded-lg shadow-sm p-6 mb-6">

     

       88
       467
        
       							<div class="flex justify-between items-center mb-2">

     

       89
       468
        
       								<h4 class="text-lg font-medium">{serviceName}</h4>

     

       90
       90
       -
       								<div class="bg-accent text-accent-foreground px-3 py-1 rounded-full text-sm font-medium">

     

       91
       91
       -
       									{calculateUptime(serviceChecks)}% uptime

     

       469
       469
       +
       								<div class="flex gap-2 items-center">

     

       470
       470
       +
       									<button

     

       471
       471
       +
       										onclick={() => toggleChart(serviceKey)}

     

       472
       472
       +
       										class="px-3 py-1 rounded-full text-sm font-medium transition-colors {expandedCharts.has(serviceKey) ? 'bg-chart-3 text-white' : 'bg-chart-3/20 text-chart-3 hover:bg-chart-3/30'}"

     

       473
       473
       +
       									>

     

       474
       474
       +
       										{expandedCharts.has(serviceKey) ? 'hide graph' : 'show graph'}

     

       475
       475
       +
       									</button>

     

       476
       476
       +
       									<div class="bg-accent text-accent-foreground px-3 py-1 rounded-full text-sm font-medium">

     

       477
       477
       +
       										{calculateUptime(serviceChecks)}% uptime

     

       478
       478
       +
       									</div>

     

       92
       479
        
       								</div>

     

       93
       480
        
       							</div>

     

       94
       481
        
       

     
···

       104
       491
        
       									></div>

     

       105
       492
        
       								{/each}

     

       106
       493
        
       							</div>

     

       494
       494
       +
       

     

       495
       495
       +
       							{#if expandedCharts.has(serviceKey)}

     

       496
       496
       +
       								<div class="mb-4 bg-background rounded-lg p-4 border border-border">

     

       497
       497
       +
       									<!-- Tabs -->

     

       498
       498
       +
       									<div class="flex gap-2 mb-4 border-b border-border">

     

       499
       499
       +
       										<button

     

       500
       500
       +
       											onclick={() => setActiveTab(serviceKey, 'uptime')}

     

       501
       501
       +
       											class="px-4 py-2 text-sm font-medium transition-colors border-b-2 {activeTab.get(serviceKey) === 'uptime' ? 'border-accent text-accent' : 'border-transparent text-muted-foreground hover:text-foreground'}"

     

       502
       502
       +
       										>

     

       503
       503
       +
       											uptime %

     

       504
       504
       +
       										</button>

     

       505
       505
       +
       										<button

     

       506
       506
       +
       											onclick={() => setActiveTab(serviceKey, 'derivative')}

     

       507
       507
       +
       											class="px-4 py-2 text-sm font-medium transition-colors border-b-2 {activeTab.get(serviceKey) === 'derivative' ? 'border-accent text-accent' : 'border-transparent text-muted-foreground hover:text-foreground'}"

     

       508
       508
       +
       										>

     

       509
       509
       +
       											latency spikes

     

       510
       510
       +
       										</button>

     

       511
       511
       +
       									</div>

     

       512
       512
       +
       

     

       513
       513
       +
       									<!-- Chart -->

     

       514
       514
       +
       									<div style="height: 250px;">

     

       515
       515
       +
       										{#if activeTab.get(serviceKey) === 'uptime'}

     

       516
       516
       +
       											<canvas use:createUptimeChart={serviceChecks}></canvas>

     

       517
       517
       +
       										{:else}

     

       518
       518
       +
       											<canvas use:createDerivativeChart={serviceChecks}></canvas>

     

       519
       519
       +
       										{/if}

     

       520
       520
       +
       									</div>

     

       521
       521
       +
       								</div>

     

       522
       522
       +
       							{/if}

     

       107
       523
        
       

     

       108
       524
        
       							<div class="flex flex-wrap gap-4 items-center pt-4 border-t border-border text-sm">

     

       109
       525
        
       								<span class="px-2 py-1 rounded {serviceChecks[0].value.status === 'up' ? 'bg-chart-4/20 text-chart-4 font-semibold' : 'bg-destructive/20 text-destructive font-semibold'}">

Compare changes