feat: PR with bumped version for release

[jonasXchen]

• added CI tests before publish
• bumped version to 3.1.1
• updated README

Summary by CodeRabbit

Documentation

• Updated documentation to emphasize SessionTokenV2 for new implementations
• Clarified backwards compatibility support for SessionToken V1
• Added complete examples and implementation guidance for both versions

[coderabbitai]

Walkthrough

Updated README for the gpl_session program to establish SessionTokenV2 as the recommended approach. The documentation introduces V2-first usage patterns in the main section, provides an updated instruction struct example, and adds comprehensive guidance for both V1 backwards-compatibility and complete V2 implementation with extended external references.

Changes

SessionTokenV2 Documentation Update

Layer / File(s)	Summary
V2 prioritization and usage introduction programs/gpl_session/README.md	Usage section establishes SessionTokenV2 as the latest approach, notes SessionToken (V1) remains supported for backwards compatibility, and clarifies that the Session derive auto-detects version based on field type.
Instruction struct example update programs/gpl_session/README.md	Sample Anchor instruction struct updated to declare session_token as Option<Account<..., SessionTokenV2>>, with surrounding handler macro example reorganized to match V2 flow.
Backwards-compatibility guidance and extended examples programs/gpl_session/README.md	New dedicated V1 section showing how to maintain SessionToken (V1) usage and how to explicitly require V2 via #[derive(SessionV2)]. Adds complete "Full V2 example" with end-to-end Anchor program and #[session_auth_or(...)] usage patterns. Updates "More examples" section with additional external references.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~5 minutes

Suggested reviewers

• GabrielePicco

🚥 Pre-merge checks | ✅ 3 | ❌ 2

❌ Failed checks (1 warning, 1 inconclusive)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	The description is minimal and lacks the structured format required by the template, missing critical sections like Problem, Solution, Deploy Notes, and issue links.	Expand the description to follow the template structure: explain the problem being solved, detail the solution, include any deployment notes, and link relevant issues.
Title check	❓ Inconclusive	The title 'feat: PR with bumped version for release' is vague and generic, mentioning version bumping but not the actual substantive change which is updating README documentation for SessionTokenV2 support.	Consider a more specific title like 'docs: Update README to prioritize SessionTokenV2 usage' that clearly indicates the main documentation improvement being made.

✅ Passed checks (3 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch docs/added-v2-and-anchor-v1-support

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[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@programs/gpl_session/README.md`:
- Line 47: Reword the sentence to clarify intended behavior: replace "who the
instruction should validate the signer when sessions are not present" with a
clearer phrase such as "how to validate the signer when no session token is
present" and ensure the surrounding text still explains adding the
session_auth_or macro to your instruction handler with fallback logic and an
appropriate ErrorCode (reference: session_auth_or and any require*! usage in the
instruction handler).

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: ASSERTIVE

Plan: Pro

Run ID: c14a0612-2583-46a8-b12b-fc1d0380dc6f

📥 Commits

Reviewing files that changed from the base of the PR and between 0fe140f and 3350356.

📒 Files selected for processing (1)

• programs/gpl_session/README.md

[coderabbitai]

🧹 Nitpick | 🔵 Trivial | ⚡ Quick win

Consider clarifying the wording.

The phrase "who the instruction should validate the signer when sessions are not present" is slightly unclear. Consider rephrasing to something like "how to validate the signer when no session token is present" for improved clarity.

🧰 Tools

🪛 markdownlint-cli2 (0.22.1)

[warning] 47-47: Ordered list item prefix
Expected: 1; Actual: 3; Style: 1/1/1

(MD029, ol-prefix)

🤖 Prompt for AI Agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@programs/gpl_session/README.md` at line 47, Reword the sentence to clarify
intended behavior: replace "who the instruction should validate the signer when
sessions are not present" with a clearer phrase such as "how to validate the
signer when no session token is present" and ensure the surrounding text still
explains adding the session_auth_or macro to your instruction handler with
fallback logic and an appropriate ErrorCode (reference: session_auth_or and any
require*! usage in the instruction handler).