Add UNKNOWN and NOT_IMPLEMENTED measure states

Introduce two new measure states across the full stack: database
migration, Go coredata, GraphQL schema, MCP specification, and
frontend UI (labels, badge variants, and colors).

Signed-off-by: Bryan Frimin <bryan@getprobo.com>

pkg/coredata/mesure_state.go

@@ -28,6 +28,8 @@ const (
 	MeasureStateInProgress
 	MeasureStateNotApplicable
 	MeasureStateImplemented
+	MeasureStateUnknown
+	MeasureStateNotImplemented
 )
 
 func MeasureStates() []MeasureState {
@@ -36,6 +38,8 @@ func MeasureStates() []MeasureState {
 		MeasureStateInProgress,
 		MeasureStateNotApplicable,
 		MeasureStateImplemented,
+		MeasureStateUnknown,
+		MeasureStateNotImplemented,
 	}
 }
 
@@ -55,6 +59,10 @@ func (ms *MeasureState) UnmarshalText(data []byte) error {
 		*ms = MeasureStateNotApplicable
 	case MeasureStateImplemented.String():
 		*ms = MeasureStateImplemented
+	case MeasureStateUnknown.String():
+		*ms = MeasureStateUnknown
+	case MeasureStateNotImplemented.String():
+		*ms = MeasureStateNotImplemented
 	default:
 		return fmt.Errorf("invalid MeasureState value: %q", val)
 	}
@@ -74,6 +82,10 @@ func (ms MeasureState) String() string {
 		val = "NOT_APPLICABLE"
 	case MeasureStateImplemented:
 		val = "IMPLEMENTED"
+	case MeasureStateUnknown:
+		val = "UNKNOWN"
+	case MeasureStateNotImplemented:
+		val = "NOT_IMPLEMENTED"
 	}
 
 	return val

pkg/coredata/migrations/20260401T120000Z.sql

@@ -0,0 +1,16 @@
+-- Copyright (c) 2025-2026 Probo Inc <hello@getprobo.com>.
+--
+-- Permission to use, copy, modify, and/or distribute this software for any
+-- purpose with or without fee is hereby granted, provided that the above
+-- copyright notice and this permission notice appear in all copies.
+--
+-- THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+-- REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+-- AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+-- INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+-- LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+-- OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+-- PERFORMANCE OF THIS SOFTWARE.
+
+ALTER TYPE mitigation_state ADD VALUE IF NOT EXISTS 'UNKNOWN';
+ALTER TYPE mitigation_state ADD VALUE IF NOT EXISTS 'NOT_IMPLEMENTED';

pkg/server/api/console/v1/schema.graphql

@@ -54,6 +54,14 @@ enum MeasureState
         @goEnum(
             value: "go.probo.inc/probo/pkg/coredata.MeasureStateImplemented"
         )
+    UNKNOWN
+        @goEnum(
+            value: "go.probo.inc/probo/pkg/coredata.MeasureStateUnknown"
+        )
+    NOT_IMPLEMENTED
+        @goEnum(
+            value: "go.probo.inc/probo/pkg/coredata.MeasureStateNotImplemented"
+        )
 }
 
 enum TaskState @goModel(model: "go.probo.inc/probo/pkg/coredata.TaskState") {

pkg/server/api/mcp/v1/specification.yaml

@@ -1350,6 +1350,8 @@ components:
         - IN_PROGRESS
         - NOT_APPLICABLE
         - IMPLEMENTED
+        - UNKNOWN
+        - NOT_IMPLEMENTED
       go.probo.inc/mcpgen/type: go.probo.inc/probo/pkg/coredata.MeasureState
 
     MeasureOrderField: