Feat/v2 query layer

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -0,0 +1,87 @@
+name: 🐛 Bug Report
+description: Report something that behaves incorrectly
+title: '[Bug]: '
+labels: ['bug', 'needs-triage']
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to file a bug report. A minimal reproduction
+        is by far the most useful thing you can include.
+
+  - type: textarea
+    id: what-happened
+    attributes:
+      label: What happened?
+      description: Describe the bug and what you expected instead.
+      placeholder: Calling `store.patch()` inside a subscriber notified listeners twice…
+    validations:
+      required: true
+
+  - type: textarea
+    id: reproduction
+    attributes:
+      label: Minimal reproduction
+      description: The smallest code snippet that shows the problem.
+      render: typescript
+      placeholder: |
+        import { createStore } from 'exostate'
+
+        const store = createStore({ count: 0 })
+        // …
+    validations:
+      required: true
+
+  - type: dropdown
+    id: area
+    attributes:
+      label: Which part of Exostate?
+      multiple: true
+      options:
+        - Core store (createStore, patch, subscribe)
+        - Query layer (QueryClient, useQuery, mutations)
+        - React adapter
+        - Vue adapter
+        - Svelte adapter
+        - Solid adapter
+        - Persistence (localStorage / IndexedDB / filesystem)
+        - History / time travel
+        - Plugins / middleware / devtools
+        - Types / TypeScript inference
+        - SSR / hydration
+        - Other
+    validations:
+      required: true
+
+  - type: input
+    id: version
+    attributes:
+      label: Exostate version
+      placeholder: 1.2.0
+    validations:
+      required: true
+
+  - type: input
+    id: environment
+    attributes:
+      label: Environment
+      description: Runtime, framework version, bundler, OS.
+      placeholder: Node 22, React 18.3, Vite 5, macOS 15
+    validations:
+      required: true
+
+  - type: textarea
+    id: logs
+    attributes:
+      label: Relevant logs or stack trace
+      render: shell
+
+  - type: checkboxes
+    id: checks
+    attributes:
+      label: Before submitting
+      options:
+        - label: I searched existing issues and this is not a duplicate
+          required: true
+        - label: I am using a supported version of Exostate
+          required: true

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,14 @@
+blank_issues_enabled: false
+contact_links:
+  - name: 💬 Discussions
+    url: https://github.com/webcoderspeed/exostate/discussions
+    about: Ask questions, share patterns, and propose ideas
+  - name: 📖 Documentation
+    url: https://github.com/webcoderspeed/exostate#readme
+    about: Full API reference, framework guides, and examples
+  - name: 🔍 Search existing issues
+    url: https://github.com/webcoderspeed/exostate/issues?q=is%3Aissue
+    about: Someone may have already reported this
+  - name: 🔐 Report a security vulnerability
+    url: https://github.com/webcoderspeed/exostate/security/advisories/new
+    about: Please report security issues privately, not as a public issue

.github/ISSUE_TEMPLATE/documentation.yml

@@ -0,0 +1,26 @@
+name: 📚 Documentation
+description: Report unclear, missing, or incorrect documentation
+title: '[Docs]: '
+labels: ['documentation', 'good first issue']
+body:
+  - type: input
+    id: location
+    attributes:
+      label: Where?
+      description: README section, JSDoc on a specific export, or an example file.
+      placeholder: README → "Query layer" section
+    validations:
+      required: true
+
+  - type: textarea
+    id: problem
+    attributes:
+      label: What is wrong or missing?
+    validations:
+      required: true
+
+  - type: textarea
+    id: suggestion
+    attributes:
+      label: Suggested wording
+      description: A concrete replacement is welcome but not required.

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -0,0 +1,58 @@
+name: ✨ Feature Request
+description: Suggest a new capability or improvement
+title: '[Feature]: '
+labels: ['enhancement', 'needs-triage']
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Exostate aims to stay small and dependency-free. Proposals that explain
+        the concrete problem — rather than only the proposed API — are much
+        easier to evaluate.
+
+  - type: textarea
+    id: problem
+    attributes:
+      label: What problem does this solve?
+      description: Describe the situation where the current API falls short.
+    validations:
+      required: true
+
+  - type: textarea
+    id: proposal
+    attributes:
+      label: Proposed API
+      render: typescript
+      placeholder: |
+        const store = createStore({ count: 0 }, { /* … */ })
+    validations:
+      required: true
+
+  - type: textarea
+    id: alternatives
+    attributes:
+      label: Alternatives you considered
+      description: Including how other libraries (Zustand, Jotai, TanStack Query, Nanostores) handle it.
+
+  - type: dropdown
+    id: scope
+    attributes:
+      label: Where would this live?
+      options:
+        - Core (ships in the main entry)
+        - Query layer
+        - A framework adapter
+        - A separate subpath export
+        - Not sure
+    validations:
+      required: true
+
+  - type: checkboxes
+    id: checks
+    attributes:
+      label: Before submitting
+      options:
+        - label: I searched existing issues and discussions for this idea
+          required: true
+        - label: I am willing to help implement this
+          required: false

.github/dependabot.yml

@@ -0,0 +1,75 @@
+version: 2
+
+updates:
+  # ── npm dependencies ─────────────────────────────────────────────
+  - package-ecosystem: npm
+    directory: /
+    schedule:
+      interval: weekly
+      day: monday
+      time: '09:00'
+      timezone: Asia/Kolkata
+    open-pull-requests-limit: 10
+    # Group non-major updates so the queue stays reviewable.
+    groups:
+      eslint-and-plugins:
+        patterns:
+          - 'eslint*'
+          - '@eslint/*'
+          - 'typescript-eslint'
+          - '@typescript-eslint/*'
+          - 'eslint-plugin-*'
+          - 'eslint-config-*'
+      testing:
+        patterns:
+          - 'vitest'
+          - '@vitest/*'
+          - 'jsdom'
+          - '@testing-library/*'
+          - 'fast-check'
+      typescript:
+        patterns:
+          - 'typescript'
+          - '@types/*'
+      frameworks:
+        patterns:
+          - 'react'
+          - 'react-dom'
+          - 'vue'
+          - 'svelte'
+          - 'solid-js'
+    labels:
+      - 'dependencies'
+      - 'automated'
+    commit-message:
+      prefix: 'chore'
+      prefix-development: 'chore'
+      include: scope
+    # Framework majors change peer-dependency semantics — review by hand.
+    ignore:
+      - dependency-name: 'typescript'
+        update-types: ['version-update:semver-major']
+      - dependency-name: 'react'
+        update-types: ['version-update:semver-major']
+      - dependency-name: 'vue'
+        update-types: ['version-update:semver-major']
+      - dependency-name: 'svelte'
+        update-types: ['version-update:semver-major']
+      - dependency-name: 'solid-js'
+        update-types: ['version-update:semver-major']
+
+  # ── GitHub Actions ────────────────────────────────────────────────
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: weekly
+      day: monday
+      time: '09:00'
+      timezone: Asia/Kolkata
+    open-pull-requests-limit: 5
+    labels:
+      - 'github-actions'
+      - 'automated'
+    commit-message:
+      prefix: 'ci'
+      include: scope

.github/pull_request_template.md

@@ -0,0 +1,42 @@
+<!--
+Thanks for contributing to Exostate!
+
+Commit titles follow Conventional Commits — the release version is derived
+from them automatically:
+  feat: …      → minor release
+  fix: …       → patch release
+  perf: …      → patch release
+  docs: …      → patch release
+  chore: …     → no release
+  feat!: …     → major release (or a "BREAKING CHANGE:" footer)
+-->
+
+## What does this change?
+
+<!-- A short description of the change and the problem it solves. -->
+
+## Why?
+
+<!-- Link the issue it closes, e.g. "Closes #123", or explain the motivation. -->
+
+## Type of change
+
+- [ ] Bug fix (non-breaking change that fixes an issue)
+- [ ] New feature (non-breaking change that adds capability)
+- [ ] Breaking change (existing API behaves differently)
+- [ ] Performance improvement
+- [ ] Documentation only
+- [ ] Internal / tooling
+
+## Checklist
+
+- [ ] `npm run validate` passes locally (build, typecheck, lint, tests)
+- [ ] Added or updated tests covering this change
+- [ ] Public API changes are documented (JSDoc + README)
+- [ ] No new runtime dependency was added (Exostate is dependency-free)
+- [ ] The core entry point stays browser-safe (no `node:` builtins outside `src/node/`)
+- [ ] Bundle size impact considered (`npm run size`)
+
+## Notes for reviewers
+
+<!-- Anything tricky, intentional trade-offs, or areas you want scrutinised. -->