chore: prepare v0.1.0 release

- Add hero image for pi package gallery
- Update CHANGELOG with release date
- Update README with npm install instructions
- Add assets/ to npm package files
- Add CONTRIBUTING.md and GitHub templates
- Add CI workflow for typecheck and pack validation

4 files changed, 128 insertions, 0 deletions

diff --git a/.github/ISSUE_TEMPLATE/bug_report.md b/.github/ISSUE_TEMPLATE/bug_report.md
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+++ b/.github/ISSUE_TEMPLATE/bug_report.md
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+---
+name: Bug report
+about: Report a reproducible problem with pi-browser-harness
+title: "[Bug]: "
+labels: bug
+assignees: ""
+---
+
+## Description
+
+Describe the problem clearly. Include what browser action or pi tool failed, if applicable.
+
+## Steps to Reproduce
+
+1.
+2.
+3.
+
+Please include the exact prompt, command, or tool call sequence when possible.
+
+## Expected Behavior
+
+What did you expect to happen?
+
+## Actual Behavior
+
+What happened instead? Include error messages, screenshots, or relevant logs if available.
+
+## Environment
+
+- OS:
+- Node version (`node --version`):
+- Chrome / Chromium / Edge version:
+- pi version:
+- pi-browser-harness version or commit:
+- Install method (`npm`, `git`, local path):
+
+## Additional Context
+
+Add any other context that may help diagnose the issue, such as whether Chrome remote debugging was enabled through `chrome://inspect/#remote-debugging` or launched with `--remote-debugging-port=9222`.
diff --git a/.github/ISSUE_TEMPLATE/feature_request.md b/.github/ISSUE_TEMPLATE/feature_request.md
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+---
+name: Feature request
+about: Suggest an improvement or new browser-control capability
+title: "[Feature]: "
+labels: enhancement
+assignees: ""
+---
+
+## Problem Statement
+
+What problem are you trying to solve? Describe the workflow, limitation, or browser-control gap.
+
+## Proposed Solution
+
+Describe the behavior you would like to see. If this is a new browser tool, include the proposed `browser_*` name, inputs, and expected output if you have a preference.
+
+## Alternatives Considered
+
+What alternatives or workarounds have you tried? For example, could this be handled with `browser_execute_js`, `browser_http_get`, or `browser_run_script` today?
+
+## Additional Context
+
+Add examples, screenshots, links, or related Chrome DevTools Protocol details that would help explain the request.
diff --git a/.github/pull_request_template.md b/.github/pull_request_template.md
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+++ b/.github/pull_request_template.md
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+## Description
+
+Describe what this PR changes and why. Include user-facing behavior changes, new browser tools, or documentation updates.
+
+## Related Issue
+
+Closes #
+
+## Type of Change
+
+- [ ] Bug fix
+- [ ] New feature
+- [ ] Documentation update
+- [ ] Refactor or maintenance
+- [ ] Release or packaging change
+- [ ] Other:
+
+## Testing
+
+Describe how you tested the change. Include local pi install steps or browser workflows when relevant.
+
+## Checklist
+
+- [ ] I ran `npm run typecheck`.
+- [ ] I ran `npm pack --dry-run` or otherwise verified packaging when package contents changed.
+- [ ] I tested locally with `pi install /path/to/pi-browser-harness` when runtime behavior changed.
+- [ ] I updated README documentation for user-facing changes.
+- [ ] I updated CHANGELOG.md for user-facing changes.
+- [ ] I kept the change focused and avoided unrelated rewrites.
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
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+++ b/.github/workflows/ci.yml
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+name: CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+permissions:
+  contents: read
+
+jobs:
+  typecheck-and-pack:
+    name: Typecheck and package
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: npm
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Typecheck
+        run: npm run typecheck
+
+      - name: Verify npm package
+        run: npm pack --dry-run