Add issue reporting guidance and templates

Author: Poryaei

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -0,0 +1,56 @@
+name: Bug report
+description: Report a validator bug, false positive, missing Pine Script v6 behavior, or confusing diagnostic.
+title: "[Bug]: "
+labels:
+  - bug
+body:
+  - type: textarea
+    id: summary
+    attributes:
+      label: Summary
+      description: Briefly describe the problem.
+      placeholder: The validator reports a false warning for...
+    validations:
+      required: true
+
+  - type: textarea
+    id: pine_snippet
+    attributes:
+      label: Pine snippet
+      description: Paste the smallest Pine Script example that reproduces the issue.
+      render: pine
+    validations:
+      required: true
+
+  - type: textarea
+    id: command
+    attributes:
+      label: Command used
+      description: Paste the exact command you ran.
+      placeholder: python -m pinescript_validator.cli example.pine --agent-json
+    validations:
+      required: true
+
+  - type: textarea
+    id: actual
+    attributes:
+      label: Actual output
+      description: Paste the validator output you received.
+      render: text
+    validations:
+      required: true
+
+  - type: textarea
+    id: expected
+    attributes:
+      label: Expected behavior
+      description: Describe what you expected instead.
+    validations:
+      required: true
+
+  - type: input
+    id: environment
+    attributes:
+      label: Environment
+      description: Python version, OS, and any other useful environment details.
+      placeholder: Python 3.13 on Windows 11

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,5 @@
+blank_issues_enabled: true
+contact_links:
+  - name: Questions and general discussion
+    url: https://github.com/Poryaei/pine-script-validator/issues
+    about: Use GitHub Issues if you are unsure whether something is a bug, feature request, or Pine Script v6 compatibility gap.

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -0,0 +1,27 @@
+name: Feature request
+description: Suggest a new validator capability, Pine Script v6 support improvement, or agent workflow enhancement.
+title: "[Feature]: "
+labels:
+  - enhancement
+body:
+  - type: textarea
+    id: problem
+    attributes:
+      label: Problem or workflow gap
+      description: What is missing or difficult today?
+    validations:
+      required: true
+
+  - type: textarea
+    id: proposal
+    attributes:
+      label: Proposed improvement
+      description: Describe the feature, CLI behavior, or validation capability you would like to see.
+    validations:
+      required: true
+
+  - type: textarea
+    id: context
+    attributes:
+      label: Additional context
+      description: Include Pine examples, agent workflows, CI use cases, or anything else that helps.

CONTRIBUTING.md

@@ -2,6 +2,8 @@
 
 Thanks for contributing to `pine-script-validator`.
 
+If you find a bug, false positive, missing Pine Script v6 feature, or an unclear diagnostic, please open an issue in the [GitHub Issues](https://github.com/Poryaei/pine-script-validator/issues) section first when possible.
+
 ## Development Setup
 
 ```powershell

README.md

@@ -197,6 +197,17 @@ pyproject.toml              Packaging and pytest configuration
 
 Contribution guide: [CONTRIBUTING.md](CONTRIBUTING.md)
 
+## Feedback And Issues
+
+If you spot a bug, false positive, missing Pine Script v6 behavior, or a confusing diagnostic, please open an issue in the [GitHub Issues](https://github.com/Poryaei/pine-script-validator/issues) section.
+
+Helpful issue reports usually include:
+
+- the Pine snippet or file shape that triggered the problem
+- the exact command you ran
+- the validator output you received
+- the behavior you expected instead
+
 ## Scope And Limitations
 
 - This is a validator and static analysis tool, not a Pine runtime