* feat(io): Migrate pkg/mcp to use Medium abstraction
- Replaced custom path validation in `pkg/mcp` with `local.Medium` sandboxing.
- Updated `mcp.Service` to use `io.Medium` for all file operations.
- Enhanced `local.Medium` security by implementing robust symlink escape detection in `validatePath`.
- Simplified `fileExists` handler to use `IsFile` and `IsDir` methods.
- Removed redundant Issue 103 comments.
- Updated tests to verify symlink blocking.
This change ensures consistent path security across the codebase and simplifies the MCP server implementation.
* feat(io): Migrate pkg/mcp to use Medium abstraction and enhance security
- Replaced custom path validation in `pkg/mcp` with `local.Medium` sandboxing.
- Updated `mcp.Service` to use `io.Medium` interface for all file operations.
- Enhanced `local.Medium` security by implementing robust symlink escape detection in `validatePath`.
- Simplified `fileExists` handler to use `IsFile` and `IsDir` methods.
- Removed redundant Issue 103 comments.
- Updated tests to verify symlink blocking and type compatibility.
This change ensures consistent path security across the codebase and simplifies the MCP server implementation.
* feat(io): Migrate pkg/mcp to use Medium abstraction and enhance security
- Replaced custom path validation in `pkg/mcp` with `local.Medium` sandboxing.
- Updated `mcp.Service` to use `io.Medium` interface for all file operations.
- Enhanced `local.Medium` security by implementing robust symlink escape detection in `validatePath`.
- Simplified `fileExists` handler to use `IsFile` and `IsDir` methods.
- Removed redundant Issue 103 comments.
- Updated tests to verify symlink blocking and type compatibility.
Confirmed that CI failure `org-gate` is administrative and requires manual label. Local tests pass.
* feat(io): Migrate pkg/mcp to use Medium abstraction and enhance security
- Replaced custom path validation in `pkg/mcp` with `local.Medium` sandboxing.
- Updated `mcp.Service` to use `io.Medium` interface for all file operations.
- Enhanced `local.Medium` security by implementing robust symlink escape detection in `validatePath`.
- Optimized `fileExists` handler to use a single `Stat` call for improved efficiency.
- Cleaned up outdated comments and removed legacy validation logic.
- Updated tests to verify symlink blocking and correct sandboxing of absolute paths.
This change ensures consistent path security across the codebase and simplifies the MCP server implementation.
* chore(io): migrate pkg/devops to Medium abstraction
This commit migrates the pkg/devops package to use the io.Medium abstraction instead of direct calls to io.Local or the os package.
Changes:
- Updated DevOps, ImageManager, and Manifest structs to hold an io.Medium.
- Updated New, NewImageManager, and LoadConfig to accept an io.Medium.
- Updated ImageSource interface and its implementations (GitHubSource, CDNSource) to accept io.Medium in Download method.
- Refactored internal helper functions (hasFile, hasPackageScript, etc.) to use io.Medium.
- Updated all unit tests and CLI entry points to pass the appropriate io.Medium.
This migration improves the testability and flexibility of the devops package by allowing for different storage backends.
* chore(io): migrate pkg/devops to Medium abstraction
This commit completes the migration of the pkg/devops package to the io.Medium abstraction.
Changes:
- Refactored DevOps, ImageManager, and Manifest structs to use io.Medium for storage operations.
- Updated New, NewImageManager, and LoadConfig to accept an io.Medium.
- Updated ImageSource interface and its implementations (GitHubSource, CDNSource) to accept io.Medium in Download method.
- Refactored internal helper functions (hasFile, hasPackageScript, etc.) to use io.Medium.
- Updated all unit tests and CLI entry points to pass the appropriate io.Medium.
- Fixed formatting issues in test files.
This migration enables easier testing and supports alternative storage backends.
- Migrated pkg/repos/registry.go to use io.Medium abstraction for all file operations.
- Updated all callers in internal/cmd/ to pass io.Local, with proper alias handling.
- Fixed formatting issues in cmd_github.go that caused previous CI failures.
- Added unit tests in pkg/repos/registry_test.go using io.MockMedium.
- Verified project-wide build and new unit tests pass.
- Improved io.Local to handle relative paths relative to CWD when rooted at "/".
- This makes io.Local a drop-in replacement for the 'os' package for most use cases.
- Ensured absolute paths are used in build logic and tests where appropriate.
- Fixed formatting and cleaned up debug prints.
- Fixed formatting issue in internal/cmd/setup/cmd_github.go by using 'coreio' alias for consistency.
- Ensured all callers use the 'coreio' alias when referring to the io package.
- Verified project-wide build completes successfully.
- Ensured that outputDir and configPath are absolute in runProjectBuild.
- Fixed TestLoadConfig_Testdata and TestDiscover_Testdata to use absolute paths correctly.
- Verified that all build and release tests pass locally.
* chore(io): Migrate pkg/cli to Medium abstraction
- Update `PIDFile` struct to include `io.Medium` field.
- Update `NewPIDFile` signature to accept `io.Medium`.
- Update `PIDFile` methods to use injected medium instead of `io.Local`.
- Add `Medium` field to `DaemonOptions`.
- Update `NewDaemon` to default to `io.Local` if no medium is provided.
- Update `pkg/cli/daemon_test.go` to reflect changes and add mock medium tests.
* chore(io): Migrate pkg/cli to Medium abstraction
- Update `PIDFile` struct to include `io.Medium` field.
- Update `NewPIDFile` signature to accept `io.Medium`.
- Update `PIDFile` methods to use injected medium instead of `io.Local`.
- Add `Medium` field to `DaemonOptions`.
- Update `NewDaemon` to default to `io.Local` if no medium is provided.
- Update `pkg/cli/daemon_test.go` to reflect changes and add mock medium tests.
- Fix flaky test `TestLinuxKitManager_Stop_Good_ContextCancelled` by checking context at the start of `Stop`.
- Add fail-fast context checks to all `LinuxKitManager` methods taking a context.
- Fixed "undefined: io" compilation errors by using the correct 'coreio' alias in internal commands.
- Corrected FindRegistry and LoadRegistry calls in cmd_file_sync.go, cmd_install.go, and cmd_search.go.
- Verified fix with successful project-wide build.
- Fixed formatting in pkg/build/builders/wails.go.
- Fixed TestLoadConfig_Testdata and TestDiscover_Testdata to use absolute paths with io.Local to ensure compatibility with GitHub CI.
- Verified that all build and release tests pass.
- Modified Registry and Repo structs in pkg/repos/registry.go to include io.Medium.
- Updated LoadRegistry, FindRegistry, and ScanDirectory signatures to accept io.Medium.
- Migrated all internal file operations in pkg/repos/registry.go to use the Medium interface instead of io.Local or os package.
- Updated dozens of call sites across internal/cmd/ to pass io.Local to the updated repos functions.
- Ensured consistent use of io.Medium for repo existence and git checks.
- Updated io.Medium interface with Open() and Create() methods to support streaming.
- Migrated pkg/build, pkg/build/builders, and pkg/build/signing to use io.Medium.
- Added FS field to build.Config and updated build.Builder interface.
- Refactored checksum and archive logic to use io.Medium streaming.
- Updated pkg/release and pkg/build/buildcmd to use io.Local.
- Updated unit tests to match new signatures.
* refactor(core): decompose Core into serviceManager + messageBus (#215)
Extract two focused, unexported components from the Core "god object":
- serviceManager: owns service registry, lifecycle tracking (startables/
stoppables), and service lock
- messageBus: owns IPC action dispatch, query handling, and task handling
All public API methods on Core become one-line delegation wrappers.
Zero consumer changes — no files outside pkg/framework/core/ modified.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* fix(core): remove unused fields from test struct
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* fix(core): address review feedback from Gemini and Copilot
- Move locked check inside mutex in registerService to fix TOCTOU race
- Add mutex guards to enableLock and applyLock methods
- Replace fmt.Errorf with errors.Join in action() for correct error
aggregation (consistent with queryAll and lifecycle methods)
- Add TestMessageBus_Action_Bad for error aggregation coverage
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* ci(workflows): bump host-uk/build from v3 to v4
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* ci(workflows): replace Wails build with Go CLI build
The build action doesn't yet support Wails v3. Comment out the GUI
build step and use host-uk/build/actions/setup/go for Go toolchain
setup with a plain `go build` for the CLI binary.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* fix(container): check context before select in Stop to fix flaky test
Stop() now checks ctx.Err() before entering the select block. When a
pre-cancelled context is passed, the select could non-deterministically
choose <-done over <-ctx.Done() if the process had already exited,
causing TestLinuxKitManager_Stop_Good_ContextCancelled to fail on CI.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* fix(ci): trim CodeQL matrix to valid languages
Remove javascript-typescript and actions from CodeQL matrix — this
repo contains only Go and Python. Invalid languages blocked SARIF
upload and prevented merge.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* feat(go): add `core go fuzz` command and wire into QA
- New `core go fuzz` command discovers Fuzz* targets and runs them
with configurable --duration (default 10s per target)
- Fuzz added to default QA checks with 5s burst duration
- Seed fuzz targets for core package: FuzzE (error constructor),
FuzzServiceRegistration, FuzzMessageDispatch
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* ci(codeql): add workflow_dispatch trigger for manual runs
Allows manual triggering of CodeQL when the automatic pull_request
trigger doesn't fire.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* ci(codeql): remove workflow in favour of default setup
CodeQL default setup is now enabled via repo settings for go and
python. The workflow-based approach uploaded results as "code quality"
rather than "code scanning", which didn't satisfy the code_scanning
ruleset requirement. Default setup handles this natively.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* ci(workflows): add explicit permissions to all workflows
- agent-verify: add issues: write (was missing, writes comments/labels)
- ci: add contents: read (explicit least-privilege)
- coverage: add contents: read (explicit least-privilege)
All workflows now declare permissions explicitly. Repo default is
read-only, so workflows without a block silently lacked write access.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* ci(workflows): replace inline logic with org reusable workflow callers
agent-verify.yml and auto-project.yml now delegate to centralised
reusable workflows in host-uk/.github, reducing per-repo duplication.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* feat(ci): auto-merge pipeline, org gate, and QA fix hints
Add auto-merge workflow for org member PRs, external PR gate with
label-based approval, and actionable fix instructions for QA failures.
- auto-merge.yml: enable squash auto-merge for org member PRs
- pr-gate.yml: org-gate check blocks external PRs without label
- cmd_qa.go: add FixHint field, fixHintFor(), extractFailingTest()
- Ruleset: thread resolution, stale review dismissal, 1min merge wait
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
---------
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
* refactor(core): decompose Core into serviceManager + messageBus (#215)
Extract two focused, unexported components from the Core "god object":
- serviceManager: owns service registry, lifecycle tracking (startables/
stoppables), and service lock
- messageBus: owns IPC action dispatch, query handling, and task handling
All public API methods on Core become one-line delegation wrappers.
Zero consumer changes — no files outside pkg/framework/core/ modified.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* fix(core): remove unused fields from test struct
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* fix(core): address review feedback from Gemini and Copilot
- Move locked check inside mutex in registerService to fix TOCTOU race
- Add mutex guards to enableLock and applyLock methods
- Replace fmt.Errorf with errors.Join in action() for correct error
aggregation (consistent with queryAll and lifecycle methods)
- Add TestMessageBus_Action_Bad for error aggregation coverage
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* ci(workflows): bump host-uk/build from v3 to v4
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* ci(workflows): replace Wails build with Go CLI build
The build action doesn't yet support Wails v3. Comment out the GUI
build step and use host-uk/build/actions/setup/go for Go toolchain
setup with a plain `go build` for the CLI binary.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* fix(container): check context before select in Stop to fix flaky test
Stop() now checks ctx.Err() before entering the select block. When a
pre-cancelled context is passed, the select could non-deterministically
choose <-done over <-ctx.Done() if the process had already exited,
causing TestLinuxKitManager_Stop_Good_ContextCancelled to fail on CI.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* fix(ci): trim CodeQL matrix to valid languages
Remove javascript-typescript and actions from CodeQL matrix — this
repo contains only Go and Python. Invalid languages blocked SARIF
upload and prevented merge.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* feat(go): add `core go fuzz` command and wire into QA
- New `core go fuzz` command discovers Fuzz* targets and runs them
with configurable --duration (default 10s per target)
- Fuzz added to default QA checks with 5s burst duration
- Seed fuzz targets for core package: FuzzE (error constructor),
FuzzServiceRegistration, FuzzMessageDispatch
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* ci(codeql): add workflow_dispatch trigger for manual runs
Allows manual triggering of CodeQL when the automatic pull_request
trigger doesn't fire.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* ci(codeql): remove workflow in favour of default setup
CodeQL default setup is now enabled via repo settings for go and
python. The workflow-based approach uploaded results as "code quality"
rather than "code scanning", which didn't satisfy the code_scanning
ruleset requirement. Default setup handles this natively.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* ci(workflows): add explicit permissions to all workflows
- agent-verify: add issues: write (was missing, writes comments/labels)
- ci: add contents: read (explicit least-privilege)
- coverage: add contents: read (explicit least-privilege)
All workflows now declare permissions explicitly. Repo default is
read-only, so workflows without a block silently lacked write access.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* ci(workflows): replace inline logic with org reusable workflow callers
agent-verify.yml and auto-project.yml now delegate to centralised
reusable workflows in host-uk/.github, reducing per-repo duplication.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
---------
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
agent-verify.yml and auto-project.yml now delegate to centralised
reusable workflows in host-uk/.github, reducing per-repo duplication.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
CodeQL default setup is now enabled via repo settings for go and
python. The workflow-based approach uploaded results as "code quality"
rather than "code scanning", which didn't satisfy the code_scanning
ruleset requirement. Default setup handles this natively.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- New `core go fuzz` command discovers Fuzz* targets and runs them
with configurable --duration (default 10s per target)
- Fuzz added to default QA checks with 5s burst duration
- Seed fuzz targets for core package: FuzzE (error constructor),
FuzzServiceRegistration, FuzzMessageDispatch
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Remove javascript-typescript and actions from CodeQL matrix — this
repo contains only Go and Python. Invalid languages blocked SARIF
upload and prevented merge.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Stop() now checks ctx.Err() before entering the select block. When a
pre-cancelled context is passed, the select could non-deterministically
choose <-done over <-ctx.Done() if the process had already exited,
causing TestLinuxKitManager_Stop_Good_ContextCancelled to fail on CI.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
The build action doesn't yet support Wails v3. Comment out the GUI
build step and use host-uk/build/actions/setup/go for Go toolchain
setup with a plain `go build` for the CLI binary.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Move locked check inside mutex in registerService to fix TOCTOU race
- Add mutex guards to enableLock and applyLock methods
- Replace fmt.Errorf with errors.Join in action() for correct error
aggregation (consistent with queryAll and lifecycle methods)
- Add TestMessageBus_Action_Bad for error aggregation coverage
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Extract two focused, unexported components from the Core "god object":
- serviceManager: owns service registry, lifecycle tracking (startables/
stoppables), and service lock
- messageBus: owns IPC action dispatch, query handling, and task handling
All public API methods on Core become one-line delegation wrappers.
Zero consumer changes — no files outside pkg/framework/core/ modified.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Remove 17 duplicate workflow files that were split copies of the
combined originals. Each family (CI, CodeQL, Coverage, PR Build,
Alpha Release) had the same job duplicated across separate
push/pull_request/schedule/manual trigger files.
Merge codeql.yml and codescan.yml into a single codeql.yml with
a language matrix covering go, javascript-typescript, python,
and actions — matching the previous default setup coverage.
Remaining workflows (one per family):
- ci.yml (push + PR + manual)
- codeql.yml (push + PR + schedule, all languages)
- coverage.yml (push + PR + manual)
- alpha-release.yml (push + manual)
- pr-build.yml (PR + manual)
- release.yml (tag push)
- agent-verify.yml, auto-label.yml, auto-project.yml
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
Remove 17 duplicate workflow files that were split copies of the
combined originals. Each family (CI, CodeQL, Coverage, PR Build,
Alpha Release) had the same job duplicated across separate
push/pull_request/schedule/manual trigger files.
Merge codeql.yml and codescan.yml into a single codeql.yml with
a language matrix covering go, javascript-typescript, python,
and actions — matching the previous default setup coverage.
Remaining workflows (one per family):
- ci.yml (push + PR + manual)
- codeql.yml (push + PR + schedule, all languages)
- coverage.yml (push + PR + manual)
- alpha-release.yml (push + manual)
- pr-build.yml (PR + manual)
- release.yml (tag push)
- agent-verify.yml, auto-label.yml, auto-project.yml
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* chore: add task spec for issue 258
* chore: add implementation plan for issue 258
* fix(spec): address CodeRabbit review comments on plan and spec
- Plan: clarify git diff strategy (local HEAD vs CI origin/dev...HEAD)
- Plan: add Phase 2 rename/delete/add handling via git diff --name-status
- Plan: add N:M test file discovery (not just 1:1 mapping)
- Plan: align Phase 3 with existing runTest() infrastructure
- Plan: replace raw `go test ./...` fallback with runTest() call
- Plan: correct file paths to internal/cmd/test/ (not cmd/core/cmd/)
- Spec: explicitly scope as Go-only with note on future language support
- Spec: wrap bare URL in angle brackets
- Spec: add --base flag for CI/PR context
- Spec: update acceptance criteria to match revised plan
- Spec: add technical context pointing to existing infrastructure
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* ci: retrigger checks after disabling default CodeQL setup
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
---------
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
- Plan: clarify git diff strategy (local HEAD vs CI origin/dev...HEAD)
- Plan: add Phase 2 rename/delete/add handling via git diff --name-status
- Plan: add N:M test file discovery (not just 1:1 mapping)
- Plan: align Phase 3 with existing runTest() infrastructure
- Plan: replace raw `go test ./...` fallback with runTest() call
- Plan: correct file paths to internal/cmd/test/ (not cmd/core/cmd/)
- Spec: explicitly scope as Go-only with note on future language support
- Spec: wrap bare URL in angle brackets
- Spec: add --base flag for CI/PR context
- Spec: update acceptance criteria to match revised plan
- Spec: add technical context pointing to existing infrastructure
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* ci(workflows): use host-uk/build@dev for releases
- Replace manual Go bootstrap with host-uk/build@dev action
- Add matrix builds for linux/amd64, linux/arm64, darwin/universal, windows/amd64
- Update README URLs from Snider/Core to host-uk/core
- Simplify artifact handling with merge-multiple
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* docs(mkdocs): update repo references to host-uk/core
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* chore(coderabbit): disable auto-review, manual trigger only
Trigger with @coderabbitai review to control costs.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* feat(ci): implement semver release channels
- Rename dev-release.yml → alpha-release.yml
- Alpha builds: v0.0.4-alpha.{run_number} (prerelease)
- Add pr-build.yml for draft releases
- PR builds: v0.0.4-pr.{num}.bid.{id} (draft, not published)
- Add attestation permissions for SLSA compliance
- No more deleting/recreating dev tag
Versioning strategy:
- Draft: +pr.{NUM}.bid.{ID} (testable, not published)
- Alpha: -alpha.{N} (canary channel)
- Beta: -beta (quality scored)
- RC: -rc.{N} (release candidate)
- Stable: no suffix
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* fix(ci): use build@v3 and dot notation for versions
- Switch from host-uk/build@dev to host-uk/build@v3
- Use dots instead of + for build metadata (GitHub tag compatible)
- v0.0.4.pr.{num}.bid.{id} format for PR drafts
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* ci(workflows): update all actions to latest versions
- actions/setup-go: v5 → v6 (Go 1.25+ support)
- actions/upload-artifact: v4 → v6 (immutable artifacts)
- actions/download-artifact: v4 → v7 (attestations support)
- actions/github-script: v7 → v8 (Node 20)
- actions/checkout: standardized on v6
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* ci: temporarily use self-hosted runners
Testing build on local runners while GitHub hosted runners are backed up.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* ci: fix webkit dep for Ubuntu 20.04 runners
Fall back to libwebkit2gtk-4.0-dev on older Ubuntu.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* test: skip unwritable dir test when running as root
Docker self-hosted runners run as root, which can write anywhere.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* ci: revert to ubuntu-latest runners
Self-hosted runners need environment parity work (ARM64, root user, SDK tools).
Keep self-hosted for future local-llm integration tasks.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
---------
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
Self-hosted runners need environment parity work (ARM64, root user, SDK tools).
Keep self-hosted for future local-llm integration tasks.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Switch from host-uk/build@dev to host-uk/build@v3
- Use dots instead of + for build metadata (GitHub tag compatible)
- v0.0.4.pr.{num}.bid.{id} format for PR drafts
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Replace manual Go bootstrap with host-uk/build@dev action
- Add matrix builds for linux/amd64, linux/arm64, darwin/universal, windows/amd64
- Update README URLs from Snider/Core to host-uk/core
- Simplify artifact handling with merge-multiple
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
