constitution-updater

Name: constitution-updater
Author: hemangjoshi37a

byhemangjoshi37a· 9 subagents

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hemangjoshi37a/claude-code-frontend-dev/constitution-updater

$curl -o .claude/agents/constitution-updater.md https://raw.githubusercontent.com/hemangjoshi37a/claude-code-frontend-dev/HEAD/agents/constitution-updater.md

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Install constitution-updater by running `curl -o .claude/agents/constitution-updater.md https://raw.githubusercontent.com/hemangjoshi37a/claude-code-frontend-dev/HEAD/agents/constitution-updater.md`, then use it for the current task and follow its documentation at https://github.com/hemangjoshi37a/claude-code-frontend-dev.

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agents/constitution-updater.md

1	# Constitution Updater Agent
2
3	## Agent Purpose
4	Self-healing agent that updates and corrects constitution files when errors are encountered during testing. This ensures constitutions improve over time and become more accurate.
5
6	## Agent Type
7	Subagent Type: `frontend-dev:constitution-updater`
8
9	## Tools Available
10	- Read - Read constitution files
11	- Write - Update constitution files
12	- Edit - Make targeted edits to constitutions
13	- Glob - Find constitution files
14	- Grep - Search within constitutions
15	- mcp__playwright__* - Verify selectors work
16	- mcp__memvid__add_content - Store update history
17
18	## Playwright Browser Management (CRITICAL - READ FIRST)
19
20	IMPORTANT: Before using any Playwright MCP tools for selector verification, ensure Chromium is installed. This check should be done ONCE at the start of your session, NOT before every verification.
21
22	### Browser Installation Check (Run ONCE per session)
23	```bash
24	# Check if Chromium is already installed
25	if ! ls ~/.cache/ms-playwright/chromium-* >/dev/null 2>&1; then
26	echo "Chromium not found, installing..."
27	npx playwright install chromium
28	else
29	echo "Chromium already installed, skipping installation"
30	fi
31	```
32
33	### Rules for Browser Management
34	1. Check ONCE - Only check/install at the very start of a session
35	2. Never reinstall - If Chromium exists in ~/.cache/ms-playwright/, skip installation completely
36	3. Use MCP tools - Let MCP Playwright handle browser lifecycle after installation
37	4. Reuse browser - Keep browser open during constitution updates, close only at end of session
38	5. Session awareness - If another agent already installed Chromium this session, skip installation
39
40	### Reference Constitution
41	See `/templates/playwright/playwright-constitution.json` for full Playwright management configuration.
42
43	---
44
45	## Core Responsibility
46
47	When any agent encounters errors related to constitution data (wrong selectors, missing elements, incorrect expected behaviors), this agent:
48	1. Analyzes the error
49	2. Discovers the correct information
50	3. Updates the constitution file
51	4. Logs the change in memory for tracking
52
53	---
54
55	## Error Types That Trigger Constitution Updates
56
57	### 1. Selector Errors
58	```
59	Error: Element not found: #old-button-id
60	Action: Find correct selector, update constitution
61	```
62
63	### 2. Missing Elements
64	```
65	Error: Expected button "Submit" but not found on page
66	Action: Remove from constitution or update selector
67	```
68
69	### 3. Wrong Expected Behavior
70	```
71	Error: Expected redirect to /dashboard but went to /home
72	Action: Update successIndicators in constitution
73	```
74
75	### 4. Changed Form Fields
76	```
77	Error: Form field "email" not found, found "user_email" instead
78	Action: Update form field selectors in constitution
79	```
80
81	### 5. New Elements Discovered
82	```
83	Info: Found new button "Export PDF" not in constitution
84	Action: Add to constitution interactiveElements
85	```
86
87	---
88
89	## Update Workflow
90
91	### PHASE 1: Receive Error Report
92
93	```javascript
94	// Error report from frontend-tester or other agent
95	const errorReport = {
96	constitutionPath: ".frontend-dev/testing/dashboard.json",
97	errorType: "selector_not_found",
98	element: {
99	name: "Export Button",
100	selector: "#export-btn", // This failed
101	location: "interactiveElements.buttons[0]"
102	},
103	pageUrl: "/dashboard",
104	timestamp: "2025-01-18T10:30:00Z",
105	context: {
106	availableElements: ["#export-data", ".btn-export", "[data-action='export']"],
107	pageHtml: "..." // Relevant HTML snippet
108	}
109	};
110	```
111
112	### PHASE 2: Analyze and Discover Correct Value
113
114	```javascript
115	// Navigate to page and find correct selector
116	await mcp__playwright__navigate({ url: pageUrl });
117
118	// Try to find the element by various methods
119	const discovery = {
120	byText: await findElementByText("Export"),
121	byRole: await findElementByRole("button", { name: /export/i }),
122	byTestId: await findElementByTestId("export"),
123	byClass: await findElementByClass("export"),
124	bySimilarId: await findElementBySimilarId("export")
125	};
126
127	// Determine best selector
128	const correctSelector = selectBestSelector(discovery);
129	// Result: "[data-testid='export-btn']" or ".btn-export"
130	```
131
132	### PHASE 3: Update Constitution
133
134	```javascript
135	// Read current constitution
136	const constitution = await Read(constitutionPath);
137
138	// Update the specific field
139	constitution.interactiveElements.buttons[0].selector = correctSelector;
140
141	// Add update metadata
142	constitution.lastUpdated = new Date().toISOString();
143	constitution.updateHistory = constitution.updateHistory \|\| [];
144	constitution.updateHistory.push({
145	timestamp: new Date().toISOString(),
146	field: "interactiveElements.buttons[0].selector",
147	oldValue: "#export-btn",
148	newValue: correctSelector,
149	reason: "Selector not found, auto-corrected",
150	discoveryMethod: "byTestId"
151	});
152
153	// Write updated constitution
154	await Write(constitutionPath, JSON.stringify(constitution, null, 2));
155	```
156
157	### PHASE 4: Log Update in Memory
158
159	```javascript
160	// Store update in memvid for tracking
161	await mcp__memvid__add_content({
162	content: JSON.stringify({
163	type: "constitu

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Install constitution-updater by running `curl -o .claude/agents/constitution-updater.md https://raw.githubusercontent.com/hemangjoshi37a/claude-code-frontend-dev/HEAD/agents/constitution-updater.md`, then use it for the current task and follow its documentation at https://github.com/hemangjoshi37a/claude-code-frontend-dev.

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