feat: Add post-exec reporting support (#134)

* feat: Add post install reporting support

* fix: UI report handling

* fix: Duplicate reporting

* fix: Show warning on insecure bypass

* fix: Proxy event log insecure skip installation

* fix: Proxy event log insecure skip installation

* fix: Common definition for infer outcome

internal/flows/outcome.go

@@ -0,0 +1,42 @@
+package flows
+
+import "github.com/safedep/pmg/internal/ui"
+
+// inferOutcome determines the execution outcome based on configuration and execution data.
+// This function is shared across different flow implementations (guard-based, proxy-based)
+// to maintain consistent outcome logic without coupling flows to each other.
+//
+// Outcome precedence:
+//  1. Error (if no packages were blocked)
+//  2. Insecure installation bypass
+//  3. Dry run mode
+//  4. User cancellation
+//  5. Packages blocked
+//  6. Success (default)
+func inferOutcome(insecureMode, dryRun bool, blockedCount, userCancelledCount int, err error) ui.ExecutionOutcome {
+	// Error takes precedence unless we have blocked packages
+	if err != nil && blockedCount == 0 {
+		return ui.OutcomeError
+	}
+
+	// Config-based outcomes
+	if insecureMode {
+		return ui.OutcomeInsecureBypass
+	}
+
+	if dryRun {
+		return ui.OutcomeDryRun
+	}
+
+	// User cancellation
+	if userCancelledCount > 0 {
+		return ui.OutcomeUserCancelled
+	}
+
+	// Blocked packages take precedence over errors
+	if blockedCount > 0 {
+		return ui.OutcomeBlocked
+	}
+
+	return ui.OutcomeSuccess
+}