Java Implementation of FDC3 3.0

.github/CODEOWNERS

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+# fdc3-maintainers will be default reviewers for everything in the repo unless a later match takes precedence
+* @finos/fdc3-maintainers
+
+# Any changes to this CODEOWNERS file should be reviewed by finos-admins
+/.github/CODEOWNERS @finos/finos-admins

.github/ISSUE_TEMPLATE/Vote.md

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+---
+name: "[VOTE]"
+about: Vote on a project matter
+title: "[VOTE] "
+labels: vote
+---
+
+## Vote Description
+
+<!-- Describe what is being voted on -->
+
+## Binding Voters
+
+<!-- List maintainers who have the right to a binding vote (see MAINTAINERS.md) -->
+
+## Vote
+
+Please react to this issue:
+
+- 👍 Approve
+- 👎 Deny
+- 👀 Abstain
+
+## Result
+
+<!-- To be completed by the person casting the vote when the vote closes -->
+
+- Total votes:
+- Binding votes (Approve, Deny, Abstained):
+- Result:

.github/ISSUE_TEMPLATE/bug_report.yml

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+name: 🐛 Bug Report
+description: If something isn't working as expected 🤔
+title: "[Bug] "
+labels: ["bug"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to report a bug! Please fill out the form below.
+  - type: textarea
+    id: steps
+    attributes:
+      label: Steps to Reproduce
+      description: Please provide clear steps to reproduce the issue
+      placeholder: |
+        1. Step 1 description
+        2. Step 2 description
+        3. Step 3 description
+    validations:
+      required: true
+  - type: textarea
+    id: expected
+    attributes:
+      label: Expected Result
+      description: What did you expect to happen?
+      placeholder: Description of what you expected to see...
+    validations:
+      required: true
+  - type: textarea
+    id: actual
+    attributes:
+      label: Actual Result
+      description: What actually happened? Include full exceptions (entire stack trace, including "caused by" entries), log entries, screenshots, etc.
+      placeholder: What actually happened...
+    validations:
+      required: true
+  - type: textarea
+    id: environment
+    attributes:
+      label: Environment
+      description: Version and build of the project, OS and runtime versions, virtualised environment (if any), etc.
+      placeholder: |
+        - Project version:
+        - OS:
+        - Java version:
+        - Desktop Agent:
+        - Other relevant details:
+    validations:
+      required: true
+  - type: textarea
+    id: context
+    attributes:
+      label: Additional Context
+      description: Add any other context about the problem here. If applicable, add screenshots to help explain.
+      placeholder: Any additional information that might be helpful...

.github/ISSUE_TEMPLATE/feature_request.yml

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+name: 🚀 Feature Request
+description: I have a suggestion (and may want to implement it 🙂)!
+title: "[Feature] "
+labels: ["enhancement"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Please resist the temptation to describe your request in terms of a solution. Job Story form ("When [triggering condition], I want to [motivation/goal], so I can [outcome].") can help ensure you're expressing a problem statement.
+  - type: textarea
+    id: problem
+    attributes:
+      label: Description of Problem
+      description: What *problem* are you trying to solve that the project doesn't currently solve?
+      placeholder: |
+        When [triggering condition], I want to [motivation/goal], so I can [outcome].
+
+        Describe the problem clearly...
+    validations:
+      required: true
+  - type: textarea
+    id: solutions
+    attributes:
+      label: Potential Solutions
+      description: Clearly and concisely describe what you want to happen. Add any considered drawbacks. If you've considered alternatives, clearly and concisely describe those too.
+      placeholder: |
+        Proposed solution:
+        - Description
+        - Benefits
+        - Drawbacks
+
+        Alternatives considered:
+        - Alternative 1
+        - Alternative 2
+    validations:
+      required: true

.github/ISSUE_TEMPLATE/support_question.yml

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+name: 🤗 Support Question
+description: If you have a question about configuration, usage, etc. 💬
+title: "[Support] "
+labels: ["question", "support"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Please search existing issues since someone might have already asked something similar.
+  - type: textarea
+    id: question
+    attributes:
+      label: Support Question
+      description: Ask your question here. Be as specific as possible.
+      placeholder: What would you like to know?
+    validations:
+      required: true

.github/dependabot.yml

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+version: 2
+
+updates:
+  # Maven dependencies
+  - package-ecosystem: "maven"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 10
+    commit-message:
+      prefix: "chore(deps)"
+      include: "scope"
+
+  # GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    groups:
+      actions-minor-and-patch:
+        update-types:
+          - "minor"
+          - "patch"
+    open-pull-requests-limit: 10
+    commit-message:
+      prefix: "ci(deps)"
+      include: "scope"

.github/pull_request_template.md

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+## Describe your change
+
+<!--- Describe your change here -->
+
+### Related Issue
+
+<!--- This project prefers to accept pull requests related to open issues -->
+<!--- If suggesting a new feature or change, please discuss it in an issue first -->
+<!--- Please [link to the issue here](https://docs.github.com/en/issues/tracking-your-work-with-issues/using-issues/linking-a-pull-request-to-an-issue) by writing "resolves #123" here: -->
+
+## Contributor License Agreement
+
+<!--- All contributions to FINOS projects must be made under an active contributor license agreement. This will be checked by the EasyCLA tool (https://easycla.lfx.linuxfoundation.org/) that runs automatically on every PR. If you've not contributed before, look for a comment on your PR shortly after it is raised and follow the instructions to establish a CLA or have it acknowledged by the EasyCLA tool. -->
+
+- [ ] I acknowledge that a contributor license agreement is required and that I have one in place or will seek to put one in place ASAP.
+
+## Review Checklist
+
+- [ ] **Issue**: Is an issue linked above (if applicable)?
+- [ ] **Build**: Does `mvn clean install` pass locally?
+- [ ] **License**: Do new source files include the Apache 2.0 license header?
+- [ ] **NOTICE**: If new third-party dependencies were added, is [NOTICE](../NOTICE) updated?

.github/workflows/codeql.yml

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+name: Static code analysis
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    types: [opened, reopened, synchronize, ready_for_review]
+  schedule:
+    # Run every day at 5am and 5pm UTC
+    - cron: "0 5,17 * * *"
+
+permissions: read-all
+
+jobs:
+  analyze:
+    name: CodeQL analysis
+    runs-on: ubuntu-latest
+    permissions:
+      security-events: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: [java-kotlin, actions]
+
+    steps:
+      - name: Harden runner
+        uses: step-security/harden-runner@05e31511f85b41b11d1cf0ef85d0992719546e2c # v2.21.0
+        with:
+          egress-policy: audit
+
+      - name: Checkout repository
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+
+      - name: Set up JDK 17
+        if: matrix.language == 'java-kotlin'
+        uses: actions/setup-java@dd06d9cba3e5552c54d9f8ea23572deb30010f7c # v6.0.0
+        with:
+          distribution: temurin
+          java-version: "17"
+          cache: maven
+
+      - name: Set up Node.js
+        if: matrix.language == 'java-kotlin'
+        uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
+        with:
+          node-version: "20"
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@ff2f1c621b7f889edc0d3c761ac2e6a3f8cdb0dd # v4.37.7
+        with:
+          languages: ${{ matrix.language }}
+
+      - name: Autobuild
+        if: matrix.language == 'java-kotlin'
+        uses: github/codeql-action/autobuild@ff2f1c621b7f889edc0d3c761ac2e6a3f8cdb0dd # v4.37.7
+
+      - name: Analyze
+        uses: github/codeql-action/analyze@ff2f1c621b7f889edc0d3c761ac2e6a3f8cdb0dd # v4.37.7