fix(sqltypes): serialize SqlTimeStamp as RFC3339

Marshal JSON/YAML/XML and driver Value now emit time.RFC3339 instead of
the offset-less "2006-01-02T15:04:05" layout; zero-time guards compare
against the RFC3339 zero value. Parsing is unchanged and still accepts
bare datetimes.

.gitea/workflows/release.yml

@@ -23,10 +23,16 @@ jobs:
       - name: go vet
         run: go vet ./...
 
-      - name: gofumpt (golangci-lint fmt)
+      - name: Install lint tools
         run: |
           go install github.com/golangci/golangci-lint/v2/cmd/golangci-lint@latest
-          diff=$(golangci-lint fmt --diff 2>&1)
+          go install honnef.co/go/tools/cmd/staticcheck@latest
+          go install golang.org/x/vuln/cmd/govulncheck@latest
+          echo "$(go env GOPATH)/bin" >> "$GITHUB_PATH"
+
+      - name: gofumpt (golangci-lint fmt)
+        run: |
+          diff=$(golangci-lint fmt --diff)
           if [ -n "$diff" ]; then
             echo "$diff"
             echo "Formatting issues found. Run: make fmt"
@@ -34,14 +40,10 @@ jobs:
           fi
 
       - name: staticcheck
-        run: |
-          go install honnef.co/go/tools/cmd/staticcheck@latest
-          staticcheck ./...
+        run: staticcheck ./...
 
       - name: govulncheck
-        run: |
-          go install golang.org/x/vuln/cmd/govulncheck@latest
-          govulncheck ./...
+        run: govulncheck ./...
 
       - name: Test
         run: go test ./...

Makefile

@@ -14,9 +14,10 @@ GOGET=$(GOCMD) get
 GOMOD=$(GOCMD) mod
 GOCLEAN=$(GOCMD) clean
 
-# Resolve Go tool binaries (GOPATH/bin may not be on PATH in CI)
-GOBIN_DIR := $(shell $(GOCMD) env GOPATH)/bin
-TOOL = $(if $(shell command -v $(1) 2>/dev/null),$(1),$(GOBIN_DIR)/$(1))
+# Tool versions (compiled on demand via `go run` so they match the local toolchain)
+GOLANGCI_LINT = go run github.com/golangci/golangci-lint/v2/cmd/golangci-lint@latest
+STATICCHECK   = go run honnef.co/go/tools/cmd/staticcheck@latest
+GOVULNCHECK   = go run golang.org/x/vuln/cmd/govulncheck@latest
 
 # Version information
 VERSION := $(shell git describe --tags --always --dirty 2>/dev/null || echo "dev")
@@ -53,24 +54,20 @@ vet: ## Run go vet
 
 fmt: ## Format code (gofumpt + goimports via golangci-lint)
 	@echo "Formatting..."
-	@command -v golangci-lint > /dev/null || test -x $(GOBIN_DIR)/golangci-lint || $(GOCMD) install github.com/golangci/golangci-lint/v2/cmd/golangci-lint@latest
-	$(call TOOL,golangci-lint) fmt --config=.golangci.json
+	$(GOLANGCI_LINT) fmt --config=.golangci.json
 
 fmt-check: ## Check formatting (gofumpt + goimports via golangci-lint)
 	@echo "Checking formatting..."
-	@command -v golangci-lint > /dev/null || test -x $(GOBIN_DIR)/golangci-lint || $(GOCMD) install github.com/golangci/golangci-lint/v2/cmd/golangci-lint@latest
-	@diff=$$($(call TOOL,golangci-lint) fmt --diff --config=.golangci.json 2>&1); \
+	@diff=$$($(GOLANGCI_LINT) fmt --diff --config=.golangci.json); \
 	if [ -n "$$diff" ]; then echo "$$diff"; echo "Run: make fmt"; exit 1; fi
 
 staticcheck: ## Run staticcheck
 	@echo "Running staticcheck..."
-	@command -v staticcheck > /dev/null || test -x $(GOBIN_DIR)/staticcheck || $(GOCMD) install honnef.co/go/tools/cmd/staticcheck@latest
-	$(call TOOL,staticcheck) ./...
+	$(STATICCHECK) ./...
 
 govulncheck: ## Run govulncheck
 	@echo "Running govulncheck..."
-	@command -v govulncheck > /dev/null || test -x $(GOBIN_DIR)/govulncheck || $(GOCMD) install golang.org/x/vuln/cmd/govulncheck@latest
-	$(call TOOL,govulncheck) ./...
+	$(GOVULNCHECK) ./...
 
 build: deps ## Build the binary
 	@echo "Building $(BINARY_NAME) $(VERSION)..."

go.mod

@@ -1,6 +1,6 @@
 module git.warky.dev/wdevs/relspecgo
 
-go 1.25.7
+go 1.25.13
 
 require (
 	github.com/gdamore/tcell/v2 v2.13.9

pkg/sqltypes/sql_types.go

@@ -445,21 +445,21 @@ type (
 	SqlUUID      = SqlNull[uuid.UUID]
 )
 
-// SqlTimeStamp - Timestamp with custom formatting (YYYY-MM-DDTHH:MM:SS).
+// SqlTimeStamp - Timestamp serialized as RFC3339.
 type SqlTimeStamp struct{ SqlNull[time.Time] }
 
 func (t SqlTimeStamp) MarshalJSON() ([]byte, error) {
 	if !t.Valid || t.Val.IsZero() || t.Val.Before(time.Date(0o002, 1, 1, 0, 0, 0, 0, time.UTC)) {
 		return []byte("null"), nil
 	}
-	return fmt.Appendf(nil, `"%s"`, t.Val.Format("2006-01-02T15:04:05")), nil
+	return fmt.Appendf(nil, `"%s"`, t.Val.Format(time.RFC3339)), nil
 }
 
 func (t *SqlTimeStamp) UnmarshalJSON(b []byte) error {
 	if err := t.SqlNull.UnmarshalJSON(b); err != nil {
 		return err
 	}
-	if t.Valid && (t.Val.IsZero() || t.Val.Format("2006-01-02T15:04:05") == "0001-01-01T00:00:00") {
+	if t.Valid && (t.Val.IsZero() || t.Val.Format(time.RFC3339) == "0001-01-01T00:00:00Z") {
 		t.Valid = false
 	}
 	return nil
@@ -469,21 +469,21 @@ func (t SqlTimeStamp) Value() (driver.Value, error) {
 	if !t.Valid || t.Val.IsZero() || t.Val.Before(time.Date(0o002, 1, 1, 0, 0, 0, 0, time.UTC)) {
 		return nil, nil
 	}
-	return t.Val.Format("2006-01-02T15:04:05"), nil
+	return t.Val.Format(time.RFC3339), nil
 }
 
 func (t SqlTimeStamp) MarshalYAML() (any, error) {
 	if !t.Valid || t.Val.IsZero() || t.Val.Before(time.Date(0o002, 1, 1, 0, 0, 0, 0, time.UTC)) {
 		return nil, nil
 	}
-	return t.Val.Format("2006-01-02T15:04:05"), nil
+	return t.Val.Format(time.RFC3339), nil
 }
 
 func (t *SqlTimeStamp) UnmarshalYAML(value *yaml.Node) error {
 	if err := t.SqlNull.UnmarshalYAML(value); err != nil {
 		return err
 	}
-	if t.Valid && (t.Val.IsZero() || t.Val.Format("2006-01-02T15:04:05") == "0001-01-01T00:00:00") {
+	if t.Valid && (t.Val.IsZero() || t.Val.Format(time.RFC3339) == "0001-01-01T00:00:00Z") {
 		t.Valid = false
 	}
 	return nil
@@ -493,7 +493,7 @@ func (t SqlTimeStamp) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
 	if !t.Valid || t.Val.IsZero() || t.Val.Before(time.Date(0o002, 1, 1, 0, 0, 0, 0, time.UTC)) {
 		return e.EncodeElement("", start)
 	}
-	return e.EncodeElement(t.Val.Format("2006-01-02T15:04:05"), start)
+	return e.EncodeElement(t.Val.Format(time.RFC3339), start)
 }
 
 func (t *SqlTimeStamp) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
@@ -511,7 +511,7 @@ func (t *SqlTimeStamp) UnmarshalXML(d *xml.Decoder, start xml.StartElement) erro
 		return err
 	}
 	t.Val = tm
-	t.Valid = !tm.IsZero() && tm.Format("2006-01-02T15:04:05") != "0001-01-01T00:00:00"
+	t.Valid = !tm.IsZero() && tm.Format(time.RFC3339) != "0001-01-01T00:00:00Z"
 	return nil
 }
 

pkg/sqltypes/sql_types_test.go

@@ -178,7 +178,7 @@ func TestSqlTimeStamp_JSON(t *testing.T) {
 	if err != nil {
 		t.Fatalf("Marshal failed: %v", err)
 	}
-	expected := `"2024-01-15T10:30:45"`
+	expected := `"2024-01-15T10:30:45Z"`
 	if string(data) != expected {
 		t.Errorf("expected %s, got %s", expected, string(data))
 	}

pkg/sqltypes/sql_types_yaml_xml_test.go

@@ -195,7 +195,7 @@ func TestSqlTimeStamp_YAML(t *testing.T) {
 	if err != nil {
 		t.Fatalf("Marshal failed: %v", err)
 	}
-	if string(data) != "2024-06-15T09:30:00\n" {
+	if string(data) != "\"2024-06-15T09:30:00Z\"\n" {
 		t.Errorf("unexpected YAML: %q", string(data))
 	}
 	var ts2 SqlTimeStamp