refactor(tools): extract RegisterAll shared tool registration

main.go and tests now share one registration list so a tool wired in one
place cannot silently go missing from the other. Adds a dispatch round-trip
test asserting every registered tool resolves and ships a parseable schema.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

internal/tools/registry.go

@@ -0,0 +1,59 @@
+package tools
+
+import (
+	"gitea.d-ma.be/mathias/gitea-mcp/internal/allowlist"
+	"gitea.d-ma.be/mathias/gitea-mcp/internal/gitea"
+	"gitea.d-ma.be/mathias/gitea-mcp/internal/registry"
+)
+
+// RegisterAll registers every gitea-mcp tool on reg. main.go and the
+// dispatch round-trip test share this single list so a newly added tool
+// cannot be wired in one place but missing from the other.
+//
+// giteaBaseURL is needed by workflow_run_trigger; tmplOwner/tmplRepo seed
+// create_project_from_template's default source template.
+func RegisterAll(
+	reg *registry.Registry,
+	c *gitea.Client,
+	a *allowlist.Allowlist,
+	giteaBaseURL, tmplOwner, tmplRepo string,
+) {
+	reg.Register(NewRepoList(c, a))
+	reg.Register(NewRepoGet(c, a))
+	reg.Register(NewRepoSearch(c, a))
+	reg.Register(NewRepoStatus(c, a))
+	reg.Register(NewFileRead(c, a))
+	reg.Register(NewFileWriteBranch(c, a))
+	reg.Register(NewFileDelete(c, a))
+	reg.Register(NewDirList(c, a))
+	reg.Register(NewBranchList(c, a))
+	reg.Register(NewBranchDelete(c, a))
+	reg.Register(NewBranchProtectionGet(c, a))
+	reg.Register(NewPRCreate(c, a))
+	reg.Register(NewPRGet(c, a))
+	reg.Register(NewPRList(c, a))
+	reg.Register(NewPRMerge(c, a))
+	reg.Register(NewPRComment(c, a))
+	reg.Register(NewPRFilesDiff(c, a))
+	reg.Register(NewWorkflowRunTrigger(c, a, giteaBaseURL))
+	reg.Register(NewWorkflowRunStatus(c, a))
+	reg.Register(NewCodeSearch(c, a))
+	reg.Register(NewIssueCreate(c, a))
+	reg.Register(NewIssueEdit(c, a))
+	reg.Register(NewIssueComment(c, a))
+	reg.Register(NewCreateProjectFromTemplate(c, a, tmplOwner, tmplRepo))
+	reg.Register(NewTagCreate(c, a))
+	reg.Register(NewRepoCreate(c, a))
+	reg.Register(NewRepoUpdate(c, a))
+	reg.Register(NewRepoMirrorPush(c, a))
+	reg.Register(NewRepoTree(c, a))
+	reg.Register(NewRepoTopicsUpdate(c, a))
+	reg.Register(NewIssueGet(c, a))
+	reg.Register(NewIssueList(c, a))
+	reg.Register(NewIssueListComments(c, a))
+	reg.Register(NewIssueClose(c, a))
+	reg.Register(NewIssueReopen(c, a))
+	reg.Register(NewWorkflowRunList(c, a))
+	reg.Register(NewReleaseCreate(c, a))
+	reg.Register(NewRepoDelete(c, a))
+}