arghya29 · rohitkumarnaidu · Jul 23, 2026 · Jul 23, 2026
diff --git a/.codecov.yml b/.codecov.yml
@@ -4,7 +4,7 @@ codecov:
 coverage:
   precision: 2
   round: down
-  range: "70...100"
+  range: '70...100'
 
   status:
     project:
@@ -17,6 +17,6 @@ coverage:
         threshold: 1%
 
 comment:
-  layout: "reach, diff, flags, files"
+  layout: 'reach, diff, flags, files'
   behavior: default
   require_changes: no
diff --git a/.github/ISSUE_TEMPLATE/bug_report.md b/.github/ISSUE_TEMPLATE/bug_report.md
@@ -1,26 +1,31 @@
 ---
 name: Bug report
 about: Something is broken
-title: "[BUG] "
+title: '[BUG] '
 labels: bug
-assignees: ""
+assignees: ''
 ---
 
 ## Describe the bug
+
 <!-- A clear description of what the bug is -->
 
 ## Steps to reproduce
+
 1. Go to ...
 2. Click on ...
 3. See error
 
 ## Expected behavior
+
 <!-- What you expected to happen -->
 
 ## Screenshots
+
 <!-- If applicable -->
 
 ## Environment
+
 - OS:
 - Browser:
 - Node version:
diff --git a/.github/ISSUE_TEMPLATE/feature_request.md b/.github/ISSUE_TEMPLATE/feature_request.md
@@ -1,22 +1,27 @@
 ---
 name: Feature request
 about: Suggest a new feature or improvement
-title: "[FEAT] "
+title: '[FEAT] '
 labels: enhancement
-assignees: ""
+assignees: ''
 ---
 
 ## Problem this solves
+
 <!-- What problem does this feature address? -->
 
 ## Proposed solution
+
 <!-- Describe the feature you would like -->
 
 ## Alternatives considered
+
 <!-- Any alternative approaches you thought about -->
 
 ## Additional context
+
 <!-- Mockups, references, related issues -->
 
 ## Would you like to work on this?
+
 - [ ] Yes, I would like to implement this
diff --git a/.github/ISSUE_TEMPLATE/good_first_issue.md b/.github/ISSUE_TEMPLATE/good_first_issue.md
@@ -1,24 +1,30 @@
 ---
 name: Good First Issue
 about: A well-scoped task suitable for new contributors
-title: "[GOOD FIRST ISSUE] "
+title: '[GOOD FIRST ISSUE] '
 labels: good first issue, help wanted
-assignees: ""
+assignees: ''
 ---
 
 ## What needs to be done
+
 <!-- Describe the task clearly and specifically -->
 
 ## Files to look at
+
 <!-- List the specific files a contributor should start with -->
 
 ## Acceptance criteria
+
 <!-- Bullet points describing exactly what done looks like -->
+
 - [ ]
 - [ ]
 
 ## Difficulty
+
 <!-- Easy / Medium -->
 
 ## Notes for new contributors
+
 <!-- Any helpful context, links to relevant code, or tips -->
diff --git a/.github/pull_request_template.md b/.github/pull_request_template.md
@@ -1,20 +1,25 @@
 ## Description
+
 <!-- What does this PR do? Be specific. -->
 
 ## Related Issue
+
 Closes #<!-- issue number -->
 
 ## Type of Change
+
 - [ ] Bug fix
 - [ ] New feature
 - [ ] Documentation update
 - [ ] Refactor
 - [ ] Tests
 
 ## Screenshots (for UI changes)
+
 <!-- Add before/after screenshots or a screen recording -->
 
 ## Checklist
+
 - [ ] I have read CONTRIBUTING.md
 - [ ] My code follows the existing style
 - [ ] I have run `npm test` and all tests pass

diff --git a/.prettierignore b/.prettierignore
@@ -0,0 +1,3 @@
+node_modules
+.next
+coverage
diff --git a/ARCHITECTURE.md b/ARCHITECTURE.md
@@ -3,13 +3,15 @@
 EcoSphere is a Next.js based application utilizing a modern full-stack web architecture.
 
 ## Tech Stack
+
 - **Framework:** Next.js (App Router)
 - **Database ORM:** Prisma
 - **Styling:** Tailwind CSS
 - **Testing:** Jest, Playwright
 - **Linting & Formatting:** ESLint, Prettier
 
 ## Directory Structure
+
 - `/app`: Next.js App Router pages and layouts.
 - `/components`: Reusable React components.
 - `/lib`: Utility functions and library wrappers.

diff --git a/CODE_OF_CONDUCT.md b/CODE_OF_CONDUCT.md
@@ -7,12 +7,14 @@ We pledge to make participation in our community a harassment-free experience fo
 ## Our Standards
 
 Positive behavior includes:
+
 - Demonstrating empathy and kindness toward other people
 - Being respectful of differing opinions and experiences
 - Giving and gracefully accepting constructive feedback
 - Accepting responsibility and learning from mistakes
 
 Unacceptable behavior includes:
+
 - Sexualized language or imagery, and unwanted sexual attention
 - Trolling, insulting or derogatory comments, personal attacks
 - Public or private harassment

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
@@ -70,6 +70,7 @@ cp .env.example .env
 ```
 
 Fill in `.env`:
+
 - `DATABASE_URL` — from your Neon project dashboard
 - `NEXTAUTH_SECRET` — generate with `openssl rand -base64 32`
 - `NEXTAUTH_URL` — `http://localhost:3000` for local dev
@@ -109,6 +110,7 @@ docs/             — Additional documentation
 ```
 
 For detailed documentation, see:
+
 - [Architecture Overview](docs/ARCHITECTURE.md) — Data flow, tech stack, and key decisions
 - [API Reference](docs/API.md) — All API route documentation with request/response examples
 - [Component Reference](docs/COMPONENTS.md) — UI component catalog and usage patterns
@@ -133,14 +135,14 @@ Comment on the issue saying you'd like to work on it. A maintainer will assign i
 
 Always branch off from `dev` (the default branch). Use this naming convention:
 
-| Type | Format | Example |
-|---|---|---|
-| New feature | `feat/short-description` | `feat/dark-mode-toggle` |
-| Bug fix | `fix/short-description` | `fix/map-marker-overlap` |
-| Documentation | `docs/short-description` | `docs/update-setup-guide` |
-| Tests | `test/short-description` | `test/insights-edge-cases` |
-| Refactor | `refactor/short-description` | `refactor/emissions-engine` |
-| UI/styling | `ui/short-description` | `ui/mobile-nav-polish` |
+| Type          | Format                       | Example                     |
+| ------------- | ---------------------------- | --------------------------- |
+| New feature   | `feat/short-description`     | `feat/dark-mode-toggle`     |
+| Bug fix       | `fix/short-description`      | `fix/map-marker-overlap`    |
+| Documentation | `docs/short-description`     | `docs/update-setup-guide`   |
+| Tests         | `test/short-description`     | `test/insights-edge-cases`  |
+| Refactor      | `refactor/short-description` | `refactor/emissions-engine` |
+| UI/styling    | `ui/short-description`       | `ui/mobile-nav-polish`      |
 
 ```bash
 git checkout dev
@@ -165,6 +167,7 @@ Optional longer body explaining what and why (not how).
 **Types:** `feat`, `fix`, `docs`, `style`, `refactor`, `test`, `chore`
 
 **Examples:**
+
 ```
 feat(insights): add carbon intensity per revenue metric
 fix(map): prevent marker overlap when coordinates are identical
@@ -179,16 +182,19 @@ Keep the first line under 72 characters. Use the imperative mood ("add", not "ad
 ## Pull Request Process
 
 1. **Make sure your branch is up to date** with `dev` before opening a PR:
+
    ```bash
    git fetch upstream
    git rebase upstream/dev
    ```
 
 2. **Run the full test suite** before submitting:
+
    ```bash
    npm test
    npm run lint
    ```
+
    Fix any failures before opening the PR — PRs that fail CI won't be reviewed.
 
 3. **Open the PR against `dev`** on the original repo (not `main`).
@@ -217,6 +223,7 @@ Every PR is automatically reviewed by **[CodeRabbit](https://coderabbit.ai)**, a
 - Pre-merge checks (e.g. missing tests, accessibility issues, type safety)
 
 **What to do with CodeRabbit feedback:**
+
 - Address any `❌` (failing) checks before asking for a human review
 - `⚠️` warnings are suggestions — use your judgement
 - You can reply directly to CodeRabbit's comments to ask it to explain something or re-check after a fix

diff --git a/README.md b/README.md
@@ -75,6 +75,7 @@ cp .env.example .env
 ```
 
 Fill in `.env`:
+
 - `DATABASE_URL` — your Neon connection string (use the pooled string for Vercel)
 - `NEXTAUTH_SECRET` — generate with `openssl rand -base64 32`
 - `NEXTAUTH_URL` — `http://localhost:3000` for local dev
@@ -152,18 +153,18 @@ __tests__/
 
 All routes are scoped to the signed-in user's organization.
 
-| Route | Methods | Purpose |
-|---|---|---|
-| `/api/auth/[...nextauth]` | GET/POST | NextAuth session handling |
-| `/api/signup` | POST | Create user + first organization |
-| `/api/suppliers` | GET/POST | List / batch-create suppliers |
-| `/api/facilities` | GET/POST | List / batch-create facilities |
-| `/api/routes` | GET/POST | List / batch-create transport routes |
-| `/api/activities` | GET/POST | List / batch-create usage records |
-| `/api/upload` | POST | Bulk CSV/Excel ingestion |
-| `/api/dashboard` | GET | Scope totals, top emitters, monthly trend |
-| `/api/insights` | GET | Runs the rule-based insight engine |
-| `/api/reports` | GET/POST | Report export history |
+| Route                     | Methods  | Purpose                                   |
+| ------------------------- | -------- | ----------------------------------------- |
+| `/api/auth/[...nextauth]` | GET/POST | NextAuth session handling                 |
+| `/api/signup`             | POST     | Create user + first organization          |
+| `/api/suppliers`          | GET/POST | List / batch-create suppliers             |
+| `/api/facilities`         | GET/POST | List / batch-create facilities            |
+| `/api/routes`             | GET/POST | List / batch-create transport routes      |
+| `/api/activities`         | GET/POST | List / batch-create usage records         |
+| `/api/upload`             | POST     | Bulk CSV/Excel ingestion                  |
+| `/api/dashboard`          | GET      | Scope totals, top emitters, monthly trend |
+| `/api/insights`           | GET      | Runs the rule-based insight engine        |
+| `/api/reports`            | GET/POST | Report export history                     |
 
 ---
 
@@ -182,6 +183,7 @@ All factors live in the `EmissionFactor` table (seeded with indicative DEFRA/EPA
 ## Insights engine
 
 `lib/insights.ts` is fully rule-based (no ML/LLM):
+
 - Top-emitter concentration (supplier or facility > 30% of total)
 - High-carbon transport mode flags (air freight, with rail/sea mode-shift suggestions)
 - Scope 2 share warnings (purchased electricity > 30% of total)
@@ -234,4 +236,4 @@ Contributions are welcome from developers of all skill levels!
 
 Licensed under the [Apache License 2.0](LICENSE).
 
-Copyright 2026 Arghya and EcoSphere contributors.
+Copyright 2026 Arghya and EcoSphere contributors.
diff --git a/__tests__/e2e/core-flows.spec.ts b/__tests__/e2e/core-flows.spec.ts
@@ -1,7 +1,9 @@
 import { test, expect } from '@playwright/test';
 
 test.describe('Landing page', () => {
-  test('shows hero content and the interactive demo responds to scenario clicks', async ({ page }) => {
+  test('shows hero content and the interactive demo responds to scenario clicks', async ({
+    page,
+  }) => {
     await page.goto('/');
     await expect(page.getByRole('heading', { name: /supply chain/i })).toBeVisible();
 
@@ -11,9 +13,19 @@ test.describe('Landing page', () => {
 
     // Toggling Scope 3 visibility should change the total readout.
     const scope3Toggle = page.getByLabel('Show Scope 3 (transport)');
-    const totalBefore = await page.locator('text=Total estimated emissions').locator('..').locator('p').first().innerText();
+    const totalBefore = await page
+      .locator('text=Total estimated emissions')
+      .locator('..')
+      .locator('p')
+      .first()
+      .innerText();
     await scope3Toggle.uncheck();
-    const totalAfter = await page.locator('text=Total estimated emissions').locator('..').locator('p').first().innerText();
+    const totalAfter = await page
+      .locator('text=Total estimated emissions')
+      .locator('..')
+      .locator('p')
+      .first()
+      .innerText();
     expect(totalAfter).not.toBe(totalBefore);
   });
 

diff --git a/__tests__/unit/activity-pagination.test.ts b/__tests__/unit/activity-pagination.test.ts
@@ -24,4 +24,3 @@ describe('Activity Pagination Calculations', () => {
     expect(isStartValid && isEndValid).toBe(true);
   });
 });
-
diff --git a/__tests__/unit/builder-delete.test.ts b/__tests__/unit/builder-delete.test.ts
@@ -35,7 +35,9 @@ describe('guardNodeDeletion', () => {
     const facility = guardNodeDeletion('facility', 2);
     expect(supplier.blocked).toBe(true);
     expect(facility.blocked).toBe(true);
-    if (supplier.blocked) expect(supplier.error).toContain('This supplier is still used by 2 routes');
-    if (facility.blocked) expect(facility.error).toContain('This facility is still used by 2 routes');
+    if (supplier.blocked)
+      expect(supplier.error).toContain('This supplier is still used by 2 routes');
+    if (facility.blocked)
+      expect(facility.error).toContain('This facility is still used by 2 routes');
   });
 });
diff --git a/__tests__/unit/chart-data.test.ts b/__tests__/unit/chart-data.test.ts
@@ -22,4 +22,3 @@ describe('Chart Data Mapping Formatting', () => {
     expect(filtered.find((d) => d.name.includes('Scope 2'))?.value).toBe(5000);
   });
 });
-
Original file line number	Diff line number	Diff line change
Expand Up		@@ -24,4 +24,3 @@ describe('Activity Pagination Calculations', () => {
		expect(isStartValid && isEndValid).toBe(true);
		});
		});
Original file line number	Diff line number	Diff line change
Expand Up		@@ -22,4 +22,3 @@ describe('Chart Data Mapping Formatting', () => {
		expect(filtered.find((d) => d.name.includes('Scope 2'))?.value).toBe(5000);
		});
		});