From ece31567b84ef0de6c255c2de3d0f17047fbf01e Mon Sep 17 00:00:00 2001
From: Eric Rakestraw <eric@rakestraw.us>
Date: Sat, 1 Aug 2026 19:58:11 +0000
Subject: [PATCH] Remove historical inspection commands

---
 internal/app/inspect.go                       | 126 ------
 internal/cli/root.go                          | 116 -----
 internal/cli/run_test.go                      |  17 +
 internal/report/daily_report.go               |   2 -
 internal/report/definition.go                 |  18 -
 internal/report/hourly_report.go              |   6 +-
 internal/report/period_test.go                |  11 +-
 internal/report/today_report.go               |   8 +-
 internal/report/tomorrow_report.go            |   8 +-
 internal/state/filesystem.go                  | 266 -----------
 internal/state/filesystem_test.go             | 416 ------------------
 internal/state/metadata.go                    | 121 ++---
 internal/state/metadata_reached_paths_test.go |   8 +
 internal/state/store.go                       |  11 -
 14 files changed, 76 insertions(+), 1058 deletions(-)
 delete mode 100644 internal/app/inspect.go
 delete mode 100644 internal/state/filesystem_test.go

diff --git a/internal/app/inspect.go b/internal/app/inspect.go
deleted file mode 100644
index cd25f5d..0000000
--- a/internal/app/inspect.go
+++ /dev/null
@@ -1,126 +0,0 @@
-package app
-
-import (
-	"context"
-	"fmt"
-
-	"gitea.maximumdirect.net/eric/weatherreporter/internal/briefing"
-	"gitea.maximumdirect.net/eric/weatherreporter/internal/config"
-	"gitea.maximumdirect.net/eric/weatherreporter/internal/module"
-	"gitea.maximumdirect.net/eric/weatherreporter/internal/promptinput"
-	"gitea.maximumdirect.net/eric/weatherreporter/internal/report"
-	"gitea.maximumdirect.net/eric/weatherreporter/internal/state"
-	"gitea.maximumdirect.net/eric/weatherreporter/internal/timeutil"
-	"gitea.maximumdirect.net/eric/weatherreporter/internal/weatherdata"
-)
-
-type InspectReportsRequest struct {
-	Config config.Config
-	Limit  int
-}
-
-type InspectRunRequest struct {
-	Config config.Config
-	RunID  string
-}
-
-type SourceInspection struct {
-	RunID          string                      `json:"runId"`
-	ReportID       report.ID                   `json:"reportId"`
-	SourceLocation string                      `json:"sourceLocation,omitempty"`
-	Sources        []briefing.SourceMetadata   `json:"sources,omitempty"`
-	Warnings       []weatherdata.SourceWarning `json:"warnings,omitempty"`
-}
-
-func InspectReports(ctx context.Context, req InspectReportsRequest) ([]state.ReportRecord, error) {
-	store, err := state.NewFilesystemStore(req.Config.Workspace)
-	if err != nil {
-		return nil, err
-	}
-	return store.ListReports(ctx, req.Limit)
-}
-
-func InspectMetadata(ctx context.Context, req InspectRunRequest) (state.Metadata, error) {
-	inspection, err := inspectRun(ctx, req)
-	return inspection.metadata, err
-}
-
-func InspectModules(ctx context.Context, req InspectRunRequest) (module.Snapshot, error) {
-	inspection, err := inspectRun(ctx, req)
-	if err != nil {
-		return module.Snapshot{}, err
-	}
-	return inspection.store.LoadModuleSnapshot(ctx, inspection.metadata.ModuleSnapshotPath)
-}
-
-func InspectDataPackage(ctx context.Context, req InspectRunRequest) (promptinput.Package, error) {
-	inspection, err := inspectRun(ctx, req)
-	if err != nil {
-		return promptinput.Package{}, err
-	}
-	return inspection.store.LoadDataPackage(ctx, inspection.metadata.DataPackagePath)
-}
-
-func InspectPriorSnapshot(ctx context.Context, req InspectRunRequest) (*state.PriorSnapshot, error) {
-	inspection, err := inspectRun(ctx, req)
-	if err != nil {
-		return nil, err
-	}
-	resolved, err := resolvedFromMetadata(inspection.metadata)
-	if err != nil {
-		return nil, err
-	}
-	return inspection.store.FindPriorSnapshot(ctx, resolved)
-}
-
-func InspectSources(ctx context.Context, req InspectRunRequest) (SourceInspection, error) {
-	inspection, err := inspectRun(ctx, req)
-	if err != nil {
-		return SourceInspection{}, err
-	}
-	metadata := inspection.metadata
-	return SourceInspection{
-		RunID:          metadata.RunID,
-		ReportID:       metadata.ReportID,
-		SourceLocation: metadata.SourceLocation,
-		Sources:        metadata.Sources,
-		Warnings:       metadata.SourceWarnings,
-	}, nil
-}
-
-type runInspection struct {
-	store    *state.FilesystemStore
-	metadata state.Metadata
-}
-
-func inspectRun(ctx context.Context, req InspectRunRequest) (runInspection, error) {
-	store, err := state.NewFilesystemStore(req.Config.Workspace)
-	if err != nil {
-		return runInspection{}, err
-	}
-	metadata, _, err := store.LoadMetadataByRunID(ctx, req.RunID)
-	if err != nil {
-		return runInspection{}, err
-	}
-	return runInspection{store: store, metadata: metadata}, nil
-}
-
-func resolvedFromMetadata(metadata state.Metadata) (report.Resolved, error) {
-	definition, err := report.DefaultRegistry().Lookup(metadata.ReportID)
-	if err != nil {
-		return report.Resolved{}, err
-	}
-	location, err := timeutil.LoadLocation(metadata.Timezone)
-	if err != nil {
-		return report.Resolved{}, err
-	}
-	if !metadata.ValidPeriod.IsValid() {
-		return report.Resolved{}, fmt.Errorf("metadata valid period for run id %q is invalid", metadata.RunID)
-	}
-	return report.Resolved{
-		Definition:  definition,
-		GeneratedAt: metadata.GeneratedAt,
-		Timezone:    location.String(),
-		ValidPeriod: metadata.ValidPeriod,
-	}, nil
-}
diff --git a/internal/cli/root.go b/internal/cli/root.go
index e631021..f2dac87 100644
--- a/internal/cli/root.go
+++ b/internal/cli/root.go
@@ -26,12 +26,6 @@ Usage:
   weatherreporter generate hourly [--config PATH] [--units VALUE] [--tz NAME] [--out PATH] [--llm-debug-dir PATH] [--quiet]
   weatherreporter run morning [--config PATH] [--units VALUE] [--tz NAME] [--out-dir PATH] [--llm-debug-dir PATH] [--quiet]
   weatherreporter run evening [--config PATH] [--units VALUE] [--tz NAME] [--out-dir PATH] [--llm-debug-dir PATH] [--quiet]
-  weatherreporter inspect reports [--config PATH] [--limit N]
-  weatherreporter inspect metadata [--config PATH] RUN_ID
-  weatherreporter inspect modules [--config PATH] RUN_ID
-  weatherreporter inspect data-package [--config PATH] RUN_ID
-  weatherreporter inspect prior [--config PATH] RUN_ID
-  weatherreporter inspect sources [--config PATH] RUN_ID
 
 Options:
   -h, --help       Show this help message.
@@ -108,8 +102,6 @@ func (r Runner) Run(ctx context.Context, args []string, stdout io.Writer, stderr
 			}
 		}
 		return err
-	case "inspect":
-		return r.runInspect(ctx, args[1:], stdout)
 	default:
 		return fmt.Errorf("unknown command %q", args[0])
 	}
@@ -130,81 +122,6 @@ type generateOptions struct {
 	Date string
 }
 
-type inspectOptions struct {
-	ConfigPath string
-	Limit      int
-	RunID      string
-}
-
-type inspectRunCommand struct {
-	Name    string
-	Inspect func(context.Context, app.InspectRunRequest) (any, error)
-}
-
-var inspectRunCommands = []inspectRunCommand{
-	{Name: "metadata", Inspect: func(ctx context.Context, req app.InspectRunRequest) (any, error) {
-		return app.InspectMetadata(ctx, req)
-	}},
-	{Name: "modules", Inspect: func(ctx context.Context, req app.InspectRunRequest) (any, error) {
-		return app.InspectModules(ctx, req)
-	}},
-	{Name: "data-package", Inspect: func(ctx context.Context, req app.InspectRunRequest) (any, error) {
-		return app.InspectDataPackage(ctx, req)
-	}},
-	{Name: "prior", Inspect: func(ctx context.Context, req app.InspectRunRequest) (any, error) {
-		return app.InspectPriorSnapshot(ctx, req)
-	}},
-	{Name: "sources", Inspect: func(ctx context.Context, req app.InspectRunRequest) (any, error) {
-		return app.InspectSources(ctx, req)
-	}},
-}
-
-func (r Runner) runInspect(ctx context.Context, args []string, stdout io.Writer) error {
-	if len(args) == 0 {
-		return fmt.Errorf("inspect requires a command")
-	}
-	command := args[0]
-	switch command {
-	case "reports":
-		opts, err := parseInspectReportsFlags(args[1:])
-		if err != nil {
-			return err
-		}
-		cfg, err := config.Load(config.LoadOptions{Path: opts.ConfigPath})
-		if err != nil {
-			return err
-		}
-		records, err := app.InspectReports(ctx, app.InspectReportsRequest{Config: cfg, Limit: opts.Limit})
-		if err != nil {
-			return err
-		}
-		return writeJSON(stdout, records)
-	default:
-		for _, candidate := range inspectRunCommands {
-			if candidate.Name == command {
-				return runInspectRunCommand(ctx, stdout, candidate, args[1:])
-			}
-		}
-		return fmt.Errorf("unknown inspect command %q", command)
-	}
-}
-
-func runInspectRunCommand(ctx context.Context, stdout io.Writer, command inspectRunCommand, args []string) error {
-	opts, err := parseInspectRunFlags(command.Name, args)
-	if err != nil {
-		return err
-	}
-	cfg, err := config.Load(config.LoadOptions{Path: opts.ConfigPath})
-	if err != nil {
-		return err
-	}
-	value, err := command.Inspect(ctx, app.InspectRunRequest{Config: cfg, RunID: opts.RunID})
-	if err != nil {
-		return err
-	}
-	return writeJSON(stdout, value)
-}
-
 func (r Runner) resolveGenerate(args []string) (app.GenerateRequest, error) {
 	req, _, err := r.resolveGenerateAction(args)
 	return req, err
@@ -366,39 +283,6 @@ func parseRunFlags(args []string) (commonOptions, error) {
 	return opts, nil
 }
 
-func parseInspectReportsFlags(args []string) (inspectOptions, error) {
-	fs := flag.NewFlagSet("inspect reports", flag.ContinueOnError)
-	fs.SetOutput(io.Discard)
-	opts := inspectOptions{Limit: 20}
-	fs.StringVar(&opts.ConfigPath, "config", "", "configuration file path")
-	fs.IntVar(&opts.Limit, "limit", 20, "maximum reports to list")
-	if err := fs.Parse(args); err != nil {
-		return inspectOptions{}, err
-	}
-	if fs.NArg() > 0 {
-		return inspectOptions{}, fmt.Errorf("unexpected argument %q", fs.Arg(0))
-	}
-	if opts.Limit < 0 {
-		return inspectOptions{}, fmt.Errorf("limit must be zero or greater")
-	}
-	return opts, nil
-}
-
-func parseInspectRunFlags(command string, args []string) (inspectOptions, error) {
-	fs := flag.NewFlagSet("inspect "+command, flag.ContinueOnError)
-	fs.SetOutput(io.Discard)
-	opts := inspectOptions{}
-	fs.StringVar(&opts.ConfigPath, "config", "", "configuration file path")
-	if err := fs.Parse(args); err != nil {
-		return inspectOptions{}, err
-	}
-	if fs.NArg() != 1 {
-		return inspectOptions{}, fmt.Errorf("inspect %s requires a run id", command)
-	}
-	opts.RunID = fs.Arg(0)
-	return opts, nil
-}
-
 func addCommonFlags(fs *flag.FlagSet, opts *commonOptions, includeOutput bool) {
 	fs.StringVar(&opts.ConfigPath, "config", "", "configuration file path")
 	fs.StringVar(&opts.Units, "units", "", "weather API units")
diff --git a/internal/cli/run_test.go b/internal/cli/run_test.go
index b633e94..eeee1ed 100644
--- a/internal/cli/run_test.go
+++ b/internal/cli/run_test.go
@@ -1,8 +1,11 @@
 package cli
 
 import (
+	"bytes"
+	"context"
 	"os"
 	"path/filepath"
+	"strings"
 	"testing"
 	"time"
 
@@ -40,3 +43,17 @@ func TestResolveRunActionConstructsOneExecutor(t *testing.T) {
 		})
 	}
 }
+
+func TestInspectCommandIsUnknownAndAbsentFromHelp(t *testing.T) {
+	var stdout, stderr bytes.Buffer
+	err := (Runner{}).Run(context.Background(), []string{"inspect", "reports"}, &stdout, &stderr)
+	if err == nil || err.Error() != `unknown command "inspect"` {
+		t.Fatalf("Run(inspect) error = %v", err)
+	}
+	if err := (Runner{}).Run(context.Background(), []string{"--help"}, &stdout, &stderr); err != nil {
+		t.Fatalf("Run(--help) error = %v", err)
+	}
+	if strings.Contains(stdout.String(), "inspect") {
+		t.Fatalf("help contains removed inspect command:\n%s", stdout.String())
+	}
+}
diff --git a/internal/report/daily_report.go b/internal/report/daily_report.go
index 20a1b6a..2e781fa 100644
--- a/internal/report/daily_report.go
+++ b/internal/report/daily_report.go
@@ -15,14 +15,12 @@ func dailyDefinition() Definition {
 		PromptVersion:         "2.0.0",
 		TemplateID:            "daily",
 		GeneratedTextSchemaID: "daily",
-		ComparisonStrategy:    CompareSameValidDate,
 		ArtifactGroup:         "daily",
 		OutputName:            "daily.md",
 		DistributorPathTemplates: []string{
 			"daily/{valid_start_date}/{run_id}.md",
 			"daily/{valid_start_date}/index.md",
 		},
-		CompatiblePriorIDs: []ID{Daily},
 		Modules:            dailyModules(),
 		resolve:            resolveDaily,
 		runIDDisambiguator: validStartDateRunIDDisambiguator,
diff --git a/internal/report/definition.go b/internal/report/definition.go
index 1a8b0f0..d579cca 100644
--- a/internal/report/definition.go
+++ b/internal/report/definition.go
@@ -19,13 +19,6 @@ const (
 	Hourly   ID = "hourly"
 )
 
-type ComparisonStrategy string
-
-const (
-	CompareSameValidDate ComparisonStrategy = "same_valid_date"
-	CompareRollingWindow ComparisonStrategy = "rolling_window"
-)
-
 type Batch string
 
 const (
@@ -40,11 +33,9 @@ type Definition struct {
 	PromptVersion            string
 	TemplateID               string
 	GeneratedTextSchemaID    string
-	ComparisonStrategy       ComparisonStrategy
 	ArtifactGroup            string
 	OutputName               string
 	DistributorPathTemplates []string
-	CompatiblePriorIDs       []ID
 	Modules                  []module.ConfigItem
 	Morning                  bool
 	Evening                  bool
@@ -76,15 +67,6 @@ func (d Definition) ResolvePeriod(req ResolveRequest) (timeutil.Period, error) {
 	return d.resolve(req)
 }
 
-func (d Definition) CompatibleWithPrior(id ID) bool {
-	for _, compatibleID := range d.CompatiblePriorIDs {
-		if id == compatibleID {
-			return true
-		}
-	}
-	return false
-}
-
 func (d Definition) ModuleIDs() []module.ID {
 	ids := make([]module.ID, 0, len(d.Modules))
 	for _, item := range d.Modules {
diff --git a/internal/report/hourly_report.go b/internal/report/hourly_report.go
index 58728d6..17caf38 100644
--- a/internal/report/hourly_report.go
+++ b/internal/report/hourly_report.go
@@ -17,15 +17,13 @@ func hourlyDefinition() Definition {
 		PromptVersion:         "2.0.0",
 		TemplateID:            "hourly",
 		GeneratedTextSchemaID: "hourly",
-		ComparisonStrategy:    CompareRollingWindow,
 		ArtifactGroup:         "hourly",
 		OutputName:            "hourly.md",
 		DistributorPathTemplates: []string{
 			"hourly/index.md",
 		},
-		CompatiblePriorIDs: []ID{Hourly},
-		Modules:            hourlyModules(),
-		resolve:            resolveHourly,
+		Modules: hourlyModules(),
+		resolve: resolveHourly,
 	}
 }
 
diff --git a/internal/report/period_test.go b/internal/report/period_test.go
index 3586b46..ac861bd 100644
--- a/internal/report/period_test.go
+++ b/internal/report/period_test.go
@@ -87,23 +87,22 @@ func TestCommandAndConfigurationNamesRejectRetiredReports(t *testing.T) {
 func TestRegistryDefinitionsPreserveRetainedContracts(t *testing.T) {
 	tests := []struct {
 		id         ID
-		comparison ComparisonStrategy
 		morning    bool
 		evening    bool
 		outputName string
 		paths      []string
 	}{
-		{Daily, CompareSameValidDate, false, false, "daily.md", []string{"daily/{valid_start_date}/{run_id}.md", "daily/{valid_start_date}/index.md"}},
-		{Today, CompareSameValidDate, true, false, "today.md", []string{"daily/{valid_start_date}/{run_id}.md", "daily/{valid_start_date}/index.md", "today/index.md"}},
-		{Tomorrow, CompareSameValidDate, false, true, "tomorrow.md", []string{"daily/{valid_start_date}/{run_id}.md", "daily/{valid_start_date}/index.md", "tomorrow/index.md"}},
-		{Hourly, CompareRollingWindow, false, false, "hourly.md", []string{"hourly/index.md"}},
+		{Daily, false, false, "daily.md", []string{"daily/{valid_start_date}/{run_id}.md", "daily/{valid_start_date}/index.md"}},
+		{Today, true, false, "today.md", []string{"daily/{valid_start_date}/{run_id}.md", "daily/{valid_start_date}/index.md", "today/index.md"}},
+		{Tomorrow, false, true, "tomorrow.md", []string{"daily/{valid_start_date}/{run_id}.md", "daily/{valid_start_date}/index.md", "tomorrow/index.md"}},
+		{Hourly, false, false, "hourly.md", []string{"hourly/index.md"}},
 	}
 
 	registry := DefaultRegistry()
 	for _, tt := range tests {
 		t.Run(string(tt.id), func(t *testing.T) {
 			definition := registry.MustLookup(tt.id)
-			if definition.ComparisonStrategy != tt.comparison || definition.Morning != tt.morning || definition.Evening != tt.evening || definition.OutputName != tt.outputName {
+			if definition.Morning != tt.morning || definition.Evening != tt.evening || definition.OutputName != tt.outputName {
 				t.Fatalf("definition = %#v, want retained report contract", definition)
 			}
 			if strings.Join(definition.DistributorPathTemplates, "|") != strings.Join(tt.paths, "|") {
diff --git a/internal/report/today_report.go b/internal/report/today_report.go
index e266047..6e90703 100644
--- a/internal/report/today_report.go
+++ b/internal/report/today_report.go
@@ -13,7 +13,6 @@ func todayDefinition() Definition {
 		PromptVersion:         "2.0.0",
 		TemplateID:            "today",
 		GeneratedTextSchemaID: "today",
-		ComparisonStrategy:    CompareSameValidDate,
 		ArtifactGroup:         "today",
 		OutputName:            "today.md",
 		DistributorPathTemplates: []string{
@@ -21,10 +20,9 @@ func todayDefinition() Definition {
 			"daily/{valid_start_date}/index.md",
 			"today/index.md",
 		},
-		CompatiblePriorIDs: []ID{Today},
-		Modules:            todayModules(),
-		Morning:            true,
-		resolve:            resolveToday,
+		Modules: todayModules(),
+		Morning: true,
+		resolve: resolveToday,
 	}
 }
 
diff --git a/internal/report/tomorrow_report.go b/internal/report/tomorrow_report.go
index b635812..46ca6de 100644
--- a/internal/report/tomorrow_report.go
+++ b/internal/report/tomorrow_report.go
@@ -13,7 +13,6 @@ func tomorrowDefinition() Definition {
 		PromptVersion:         "2.0.0",
 		TemplateID:            "tomorrow",
 		GeneratedTextSchemaID: "tomorrow",
-		ComparisonStrategy:    CompareSameValidDate,
 		ArtifactGroup:         "tomorrow",
 		OutputName:            "tomorrow.md",
 		DistributorPathTemplates: []string{
@@ -21,10 +20,9 @@ func tomorrowDefinition() Definition {
 			"daily/{valid_start_date}/index.md",
 			"tomorrow/index.md",
 		},
-		CompatiblePriorIDs: []ID{Tomorrow},
-		Modules:            tomorrowModules(),
-		Evening:            true,
-		resolve:            resolveTomorrow,
+		Modules: tomorrowModules(),
+		Evening: true,
+		resolve: resolveTomorrow,
 	}
 }
 
diff --git a/internal/state/filesystem.go b/internal/state/filesystem.go
index c47dadb..c9e290e 100644
--- a/internal/state/filesystem.go
+++ b/internal/state/filesystem.go
@@ -2,13 +2,10 @@ package state
 
 import (
 	"context"
-	"encoding/json"
 	"fmt"
 	"os"
 	"path/filepath"
-	"sort"
 	"strings"
-	"time"
 
 	"gitea.maximumdirect.net/eric/weatherreporter/internal/config"
 	"gitea.maximumdirect.net/eric/weatherreporter/internal/fileutil"
@@ -39,20 +36,6 @@ type ArtifactPaths struct {
 	RenderContext    string `json:"renderContext,omitempty"`
 }
 
-type ReportRecord struct {
-	RunID        string    `json:"runId"`
-	ReportID     report.ID `json:"reportId"`
-	Variant      string    `json:"variant,omitempty"`
-	PromptID     string    `json:"promptId"`
-	GeneratedAt  string    `json:"generatedAt"`
-	ValidStart   string    `json:"validStart"`
-	ValidEnd     string    `json:"validEnd"`
-	MetadataPath string    `json:"metadataPath"`
-	ReportPath   string    `json:"reportPath,omitempty"`
-	Warnings     int       `json:"warnings"`
-	metadata     Metadata
-}
-
 func NewFilesystemStore(cfg config.WorkspaceConfig) (*FilesystemStore, error) {
 	if cfg.Root == "" {
 		return nil, fmt.Errorf("workspace root is required")
@@ -262,228 +245,6 @@ func (s *FilesystemStore) SaveMetadata(_ context.Context, metadata Metadata) (st
 	return metadata.MetadataPath, nil
 }
 
-func (s *FilesystemStore) FindPriorSnapshot(_ context.Context, resolved report.Resolved) (*PriorSnapshot, error) {
-	if resolved.Definition.ComparisonStrategy != report.CompareSameValidDate {
-		return nil, nil
-	}
-	group := resolved.Definition.ArtifactGroup
-	if group == "" {
-		return nil, fmt.Errorf("report %q has no artifact group", resolved.Definition.ID)
-	}
-	dirs, err := s.metadataDirectories(resolved, group)
-	if err != nil {
-		return nil, err
-	}
-
-	var candidates []Metadata
-	for _, dir := range dirs {
-		entries, err := os.ReadDir(dir)
-		if err != nil {
-			if os.IsNotExist(err) {
-				continue
-			}
-			return nil, fmt.Errorf("read snapshot metadata directory %q: %w", dir, err)
-		}
-		for _, entry := range entries {
-			if entry.IsDir() || !isMetadataFilename(entry.Name()) {
-				continue
-			}
-			path := filepath.Join(dir, entry.Name())
-			var metadata Metadata
-			if err := readJSON(path, &metadata); err != nil {
-				return nil, err
-			}
-			if metadata.RunID == resolved.Metadata().RunID {
-				continue
-			}
-			if !resolved.Definition.CompatibleWithPrior(metadata.ReportID) {
-				continue
-			}
-			if !comparablePeriod(metadata, resolved) {
-				continue
-			}
-			if !metadata.GeneratedAt.Before(resolved.GeneratedAt) {
-				continue
-			}
-			candidates = append(candidates, metadata)
-		}
-	}
-	if len(candidates) == 0 {
-		return nil, nil
-	}
-	sort.Slice(candidates, func(i, j int) bool {
-		return candidates[i].GeneratedAt.After(candidates[j].GeneratedAt)
-	})
-	return &PriorSnapshot{
-		Metadata:           candidates[0],
-		ModuleSnapshotPath: candidates[0].ModuleSnapshotPath,
-	}, nil
-}
-
-func (s *FilesystemStore) ListReports(_ context.Context, limit int) ([]ReportRecord, error) {
-	if s == nil {
-		return nil, fmt.Errorf("state store is required")
-	}
-	root := s.join(s.snapshotsDir)
-	if _, err := os.Stat(root); err != nil {
-		if os.IsNotExist(err) {
-			return nil, nil
-		}
-		return nil, fmt.Errorf("inspect %q: %w", root, err)
-	}
-	var records []ReportRecord
-	err := filepath.WalkDir(root, func(path string, entry os.DirEntry, err error) error {
-		if err != nil {
-			return fmt.Errorf("inspect %q: %w", path, err)
-		}
-		if entry.IsDir() || !isMetadataFilename(entry.Name()) {
-			return nil
-		}
-		record, err := s.reportRecord(path)
-		if err != nil {
-			return err
-		}
-		records = append(records, record)
-		return nil
-	})
-	if err != nil {
-		if os.IsNotExist(err) {
-			return nil, nil
-		}
-		return nil, err
-	}
-	sort.Slice(records, func(i, j int) bool {
-		return records[i].metadata.GeneratedAt.After(records[j].metadata.GeneratedAt)
-	})
-	if limit > 0 && len(records) > limit {
-		records = records[:limit]
-	}
-	return records, nil
-}
-
-func (s *FilesystemStore) LoadMetadataByRunID(ctx context.Context, runID string) (Metadata, string, error) {
-	if strings.TrimSpace(runID) == "" {
-		return Metadata{}, "", fmt.Errorf("run id is required")
-	}
-	records, err := s.ListReports(ctx, 0)
-	if err != nil {
-		return Metadata{}, "", err
-	}
-	for _, record := range records {
-		if record.RunID == runID {
-			return record.metadata, record.MetadataPath, nil
-		}
-	}
-	return Metadata{}, "", fmt.Errorf("metadata for run id %q was not found", runID)
-}
-
-func (s *FilesystemStore) LoadDataPackage(_ context.Context, path string) (promptinput.Package, error) {
-	if path == "" {
-		return promptinput.Package{}, fmt.Errorf("data package path is required")
-	}
-	data, err := os.ReadFile(path)
-	if err != nil {
-		return promptinput.Package{}, fmt.Errorf("read %q: %w", path, err)
-	}
-	pkg, err := promptinput.LoadYAML(data)
-	if err != nil {
-		return promptinput.Package{}, err
-	}
-	return pkg, nil
-}
-
-func (s *FilesystemStore) LoadModuleSnapshot(_ context.Context, path string) (module.Snapshot, error) {
-	if path == "" {
-		return module.Snapshot{}, fmt.Errorf("module snapshot path is required")
-	}
-	var snapshot module.Snapshot
-	if err := readJSON(path, &snapshot); err != nil {
-		return module.Snapshot{}, err
-	}
-	if err := snapshot.Validate(); err != nil {
-		return module.Snapshot{}, err
-	}
-	return snapshot, nil
-}
-
-func (s *FilesystemStore) LoadGeneratedText(_ context.Context, path string) ([]byte, error) {
-	if path == "" {
-		return nil, fmt.Errorf("generated text path is required")
-	}
-	data, err := os.ReadFile(path)
-	if err != nil {
-		return nil, fmt.Errorf("read %q: %w", path, err)
-	}
-	return data, nil
-}
-
-func (s *FilesystemStore) LoadPromptPreparation(_ context.Context, path string) (PromptPreparationArtifact, error) {
-	if path == "" {
-		return PromptPreparationArtifact{}, fmt.Errorf("prompt preparation path is required")
-	}
-	var artifact PromptPreparationArtifact
-	if err := readJSON(path, &artifact); err != nil {
-		return PromptPreparationArtifact{}, err
-	}
-	if err := artifact.Validate(); err != nil {
-		return PromptPreparationArtifact{}, err
-	}
-	return artifact, nil
-}
-
-func (s *FilesystemStore) LoadPromptExecution(_ context.Context, path string) (PromptExecutionArtifact, error) {
-	if path == "" {
-		return PromptExecutionArtifact{}, fmt.Errorf("prompt execution path is required")
-	}
-	var artifact PromptExecutionArtifact
-	if err := readJSON(path, &artifact); err != nil {
-		return PromptExecutionArtifact{}, err
-	}
-	if err := artifact.Validate(); err != nil {
-		return PromptExecutionArtifact{}, err
-	}
-	return artifact, nil
-}
-
-func (s *FilesystemStore) LoadRenderContext(_ context.Context, path string, target any) error {
-	if path == "" {
-		return fmt.Errorf("render context path is required")
-	}
-	if target == nil {
-		return fmt.Errorf("render context target is required")
-	}
-	return readJSON(path, target)
-}
-
-func (s *FilesystemStore) reportRecord(path string) (ReportRecord, error) {
-	var metadata Metadata
-	if err := readJSON(path, &metadata); err != nil {
-		return ReportRecord{}, err
-	}
-	metadata.MetadataPath = path
-	return ReportRecord{
-		RunID:        metadata.RunID,
-		ReportID:     metadata.ReportID,
-		Variant:      metadata.Variant,
-		PromptID:     metadata.PromptID,
-		GeneratedAt:  metadata.GeneratedAt.Format(time.RFC3339Nano),
-		ValidStart:   metadata.ValidPeriod.Start.Format(time.RFC3339Nano),
-		ValidEnd:     metadata.ValidPeriod.End.Format(time.RFC3339Nano),
-		MetadataPath: path,
-		ReportPath:   metadata.RenderedReportPath,
-		Warnings:     len(metadata.SourceWarnings),
-		metadata:     metadata,
-	}, nil
-}
-
-func (s *FilesystemStore) metadataDirectories(resolved report.Resolved, group string) ([]string, error) {
-	paths, err := s.Paths(resolved)
-	if err != nil {
-		return nil, err
-	}
-	return []string{filepath.Dir(paths.Metadata)}, nil
-}
-
 func (s *FilesystemStore) join(parts ...string) string {
 	all := append([]string{s.root}, parts...)
 	return filepath.Join(all...)
@@ -553,30 +314,3 @@ func validatePathSegment(name string, value string) error {
 	}
 	return nil
 }
-
-func isMetadataFilename(name string) bool {
-	if !strings.HasPrefix(name, "metadata.") || !strings.HasSuffix(name, ".json") {
-		return false
-	}
-	runID := strings.TrimSuffix(strings.TrimPrefix(name, "metadata."), ".json")
-	return strings.TrimSpace(runID) != "" && !strings.ContainsAny(runID, `/\`) && runID != "." && runID != ".."
-}
-
-func readJSON(path string, target any) error {
-	data, err := os.ReadFile(path)
-	if err != nil {
-		return fmt.Errorf("read %q: %w", path, err)
-	}
-	if err := json.Unmarshal(data, target); err != nil {
-		return fmt.Errorf("decode %q: %w", path, err)
-	}
-	return nil
-}
-
-func sameValidDate(metadata Metadata, resolved report.Resolved) bool {
-	return metadata.ValidPeriod.Start.Format("2006-01-02") == resolved.ValidPeriod.Start.Format("2006-01-02")
-}
-
-func comparablePeriod(metadata Metadata, resolved report.Resolved) bool {
-	return resolved.Definition.ComparisonStrategy == report.CompareSameValidDate && sameValidDate(metadata, resolved)
-}
diff --git a/internal/state/filesystem_test.go b/internal/state/filesystem_test.go
deleted file mode 100644
index 44b4480..0000000
--- a/internal/state/filesystem_test.go
+++ /dev/null
@@ -1,416 +0,0 @@
-package state
-
-import (
-	"context"
-	"encoding/json"
-	"os"
-	"path/filepath"
-	"strings"
-	"testing"
-	"time"
-
-	"gitea.maximumdirect.net/eric/weatherreporter/internal/briefing"
-	"gitea.maximumdirect.net/eric/weatherreporter/internal/config"
-	"gitea.maximumdirect.net/eric/weatherreporter/internal/module"
-	"gitea.maximumdirect.net/eric/weatherreporter/internal/promptexec"
-	"gitea.maximumdirect.net/eric/weatherreporter/internal/promptinput"
-	"gitea.maximumdirect.net/eric/weatherreporter/internal/report"
-	"gitea.maximumdirect.net/eric/weatherreporter/internal/timeutil"
-	"gitea.maximumdirect.net/eric/weatherreporter/internal/weatherdata"
-)
-
-func TestFilesystemPathsUseExactPromptArtifactLayout(t *testing.T) {
-	store := newFilesystemTestStore(t)
-	tests := []struct {
-		id        report.ID
-		now       string
-		date      string
-		group     string
-		validDate string
-		runID     string
-	}{
-		{report.Daily, "2026-05-29T05:00:00-05:00", "2026-05-29T12:00:00-05:00", "daily", "2026-05-29", "20260529T100000.000000000Z_daily_2026-05-29"},
-		{report.Today, "2026-05-29T05:00:00-05:00", "", "today", "2026-05-29", "20260529T100000.000000000Z_today"},
-		{report.Tomorrow, "2026-05-29T18:00:00-05:00", "", "tomorrow", "2026-05-30", "20260529T230000.000000000Z_tomorrow"},
-		{report.Hourly, "2026-05-29T05:00:00-05:00", "", "hourly", "2026-05-29", "20260529T100000.000000000Z_hourly"},
-	}
-	for _, test := range tests {
-		t.Run(string(test.id), func(t *testing.T) {
-			resolved := resolveStateReport(t, test.id, test.now, test.date)
-			paths, err := store.Paths(resolved)
-			if err != nil {
-				t.Fatalf("Paths() error = %v", err)
-			}
-			want := ArtifactPaths{
-				ModuleSnapshot:   filepath.Join(store.root, "snapshots", test.group, test.validDate, "modules."+test.runID+".json"),
-				Metadata:         filepath.Join(store.root, "snapshots", test.group, test.validDate, "metadata."+test.runID+".json"),
-				DataPackage:      filepath.Join(store.root, "data-packages", test.group, test.validDate, "data_package."+test.runID+".yaml"),
-				Preparation:      filepath.Join(store.root, "preflight", test.group, test.validDate, "prompt_preparation."+test.runID+".json"),
-				Execution:        filepath.Join(store.root, "snapshots", test.group, test.validDate, "prompt_execution."+test.runID+".json"),
-				Notification:     filepath.Join(store.root, "notifications", test.group, test.validDate, "distributor."+test.runID+".json"),
-				RenderedReport:   filepath.Join(store.root, "reports", test.group, test.validDate, "report."+test.runID+".md"),
-				GeneratedTextRaw: filepath.Join(store.root, "snapshots", test.group, test.validDate, "generated_text_raw."+test.runID+".json"),
-				GeneratedText:    filepath.Join(store.root, "snapshots", test.group, test.validDate, "generated_text."+test.runID+".json"),
-				RenderContext:    filepath.Join(store.root, "snapshots", test.group, test.validDate, "render_context."+test.runID+".json"),
-			}
-			if paths != want {
-				t.Fatalf("Paths() = %#v, want %#v", paths, want)
-			}
-		})
-	}
-}
-
-func TestPromptArtifactsAndMetadataRoundTrip(t *testing.T) {
-	store := newFilesystemTestStore(t)
-	resolved := resolveStateReport(t, report.Daily, "2026-05-29T05:00:00-05:00", "2026-05-29T12:00:00-05:00")
-	paths, err := store.Paths(resolved)
-	if err != nil {
-		t.Fatalf("Paths() error = %v", err)
-	}
-	preparation := preparationArtifactFor(resolved, paths)
-	preparationPath, err := store.SavePromptPreparation(context.Background(), resolved, preparation)
-	if err != nil {
-		t.Fatalf("SavePromptPreparation() error = %v", err)
-	}
-	execution := executionArtifactFor(resolved, paths)
-	executionPath, err := store.SavePromptExecution(context.Background(), resolved, execution)
-	if err != nil {
-		t.Fatalf("SavePromptExecution() error = %v", err)
-	}
-	loadedPreparation, err := store.LoadPromptPreparation(context.Background(), preparationPath)
-	if err != nil || loadedPreparation.Preparation == nil || loadedPreparation.Preparation.PromptHash != "prompt-hash" {
-		t.Fatalf("LoadPromptPreparation() = %#v, %v", loadedPreparation, err)
-	}
-	loadedExecution, err := store.LoadPromptExecution(context.Background(), executionPath)
-	if err != nil || loadedExecution.Provenance == nil || loadedExecution.Provenance.RunID != "provider-run" || loadedExecution.Validation == nil {
-		t.Fatalf("LoadPromptExecution() = %#v, %v", loadedExecution, err)
-	}
-
-	metadata := promptMetadataFor(resolved, paths)
-	metadata.PreparationPath = preparationPath
-	metadata.ExecutionPath = executionPath
-	metadata.GeneratedTextRawPath = paths.GeneratedTextRaw
-	metadataPath, err := store.SaveMetadata(context.Background(), metadata)
-	if err != nil {
-		t.Fatalf("SaveMetadata() error = %v", err)
-	}
-	data, err := os.ReadFile(metadataPath)
-	if err != nil {
-		t.Fatalf("read metadata: %v", err)
-	}
-	text := string(data)
-	if strings.Contains(text, "preflightPath") || strings.Contains(text, "generatedTextResultPath") || strings.Contains(text, "metadataPath") {
-		t.Fatalf("v2 metadata contains legacy or runtime aliases: %s", text)
-	}
-	loadedMetadata, loadedPath, err := store.LoadMetadataByRunID(context.Background(), metadata.RunID)
-	if err != nil || loadedPath != metadataPath || loadedMetadata.PreparationPath != preparationPath || loadedMetadata.ExecutionPath != executionPath {
-		t.Fatalf("LoadMetadataByRunID() = %#v, %q, %v", loadedMetadata, loadedPath, err)
-	}
-}
-
-func TestMetadataLegacyCompatibilityAndV2OnlyWrites(t *testing.T) {
-	legacy := Metadata{
-		SchemaVersion: MetadataSchemaVersionV1, RunID: "legacy-run", ReportID: report.ID("three_day"),
-		PromptID: "weather.three_day", ModuleSnapshotPath: "/archive/modules.json", DataPackagePath: "/archive/data.yaml",
-		PreflightPath: "/archive/render.json", GeneratedTextResultPath: "/archive/result.json",
-	}
-	data, err := json.Marshal(legacy)
-	if err != nil {
-		t.Fatalf("Marshal() error = %v", err)
-	}
-	text := string(data)
-	if !strings.Contains(text, "preflightPath") || !strings.Contains(text, "generatedTextResultPath") || strings.Contains(text, "preparationPath") || strings.Contains(text, "executionPath") {
-		t.Fatalf("v1 metadata wire fields = %s", text)
-	}
-	var decoded Metadata
-	if err := json.Unmarshal(data, &decoded); err != nil {
-		t.Fatalf("Unmarshal() error = %v", err)
-	}
-	if decoded.PreparationPath != legacy.PreflightPath || decoded.ExecutionPath != legacy.GeneratedTextResultPath {
-		t.Fatalf("normalized compatibility aliases = %#v", decoded)
-	}
-	remarshaled, err := json.Marshal(decoded)
-	if err != nil || !strings.Contains(string(remarshaled), "preflightPath") || strings.Contains(string(remarshaled), "preparationPath") {
-		t.Fatalf("remarshaled v1 metadata = %s, %v", remarshaled, err)
-	}
-	if err := json.Unmarshal([]byte(`{"schemaVersion":"weatherreporter.metadata.v99"}`), &decoded); err == nil {
-		t.Fatal("Unmarshal() error = nil, want unknown schema rejection")
-	}
-
-	store := newFilesystemTestStore(t)
-	legacy.MetadataPath = filepath.Join(store.root, "snapshots", "legacy", "metadata.legacy-run.json")
-	if _, err := store.SaveMetadata(context.Background(), legacy); err == nil {
-		t.Fatal("SaveMetadata(v1) error = nil, want v2-only write rejection")
-	}
-}
-
-func TestReportDiscoveryAndArtifactInspection(t *testing.T) {
-	store := newFilesystemTestStore(t)
-	older := resolveStateReport(t, report.Daily, "2026-05-29T05:00:00-05:00", "2026-05-29T12:00:00-05:00")
-	newer := resolveStateReport(t, report.Today, "2026-05-29T08:00:00-05:00", "")
-	olderPaths := saveStateMetadata(t, store, older)
-	newerPaths := saveStateMetadata(t, store, newer)
-
-	snapshot, err := module.NewSnapshot([]module.Output{{ID: module.Metadata, StanzaName: "metadata", Value: map[string]any{"run_id": older.Metadata().RunID}}})
-	if err != nil {
-		t.Fatalf("NewSnapshot() error = %v", err)
-	}
-	modulePath, err := store.SaveModuleSnapshot(context.Background(), older, snapshot)
-	if err != nil {
-		t.Fatalf("SaveModuleSnapshot() error = %v", err)
-	}
-	pkg, err := promptinput.Build(promptinput.BuildRequest{
-		Metadata: promptinput.Metadata{
-			RunID: older.Metadata().RunID, ReportID: older.Definition.ID, PromptID: older.Definition.PromptID,
-			GeneratedAt: older.GeneratedAt, Timezone: older.Timezone, ValidPeriod: older.ValidPeriod,
-		},
-		Modules: snapshot,
-	})
-	if err != nil {
-		t.Fatalf("Build() error = %v", err)
-	}
-	dataPath, err := store.SaveDataPackage(context.Background(), older, pkg)
-	if err != nil {
-		t.Fatalf("SaveDataPackage() error = %v", err)
-	}
-	loadedSnapshot, err := store.LoadModuleSnapshot(context.Background(), modulePath)
-	if err != nil || len(loadedSnapshot.Outputs) != 1 {
-		t.Fatalf("LoadModuleSnapshot() = %#v, %v", loadedSnapshot, err)
-	}
-	loadedPackage, err := store.LoadDataPackage(context.Background(), dataPath)
-	if err != nil || loadedPackage.RunID != older.Metadata().RunID {
-		t.Fatalf("LoadDataPackage() = %#v, %v", loadedPackage, err)
-	}
-
-	records, err := store.ListReports(context.Background(), 0)
-	if err != nil || len(records) != 2 {
-		t.Fatalf("ListReports() = %#v, %v", records, err)
-	}
-	if records[0].RunID != newer.Metadata().RunID || records[0].MetadataPath != newerPaths.Metadata || records[1].MetadataPath != olderPaths.Metadata {
-		t.Fatalf("ordered report records = %#v", records)
-	}
-	loadedMetadata, loadedPath, err := store.LoadMetadataByRunID(context.Background(), older.Metadata().RunID)
-	if err != nil || loadedPath != olderPaths.Metadata || len(loadedMetadata.Sources) != 1 || loadedMetadata.Sources[0].Name != "weather-api" {
-		t.Fatalf("LoadMetadataByRunID() = %#v, %q, %v", loadedMetadata, loadedPath, err)
-	}
-}
-
-func TestListReportsRetainsHistoricalV1ReportIDs(t *testing.T) {
-	store := newFilesystemTestStore(t)
-	for i, id := range []report.ID{"three_day", "weekend", "storm"} {
-		generatedAt := time.Date(2026, 5, 20+i, 12, 0, 0, 0, time.UTC)
-		metadata := Metadata{
-			SchemaVersion: MetadataSchemaVersionV1, RunID: "historical-" + string(id), ReportID: id,
-			PromptID: "weather." + string(id), GeneratedAt: generatedAt, Timezone: "UTC",
-			ValidPeriod:        timeutil.Period{Start: generatedAt, End: generatedAt.Add(24 * time.Hour)},
-			ModuleSnapshotPath: "/archive/modules.json", DataPackagePath: "/archive/data.yaml",
-			PreflightPath: "/archive/render.json", GeneratedTextResultPath: "/archive/result.json",
-		}
-		path := filepath.Join(store.root, "snapshots", string(id), "2026-05-20", "metadata."+metadata.RunID+".json")
-		writeJSONFixture(t, path, metadata)
-	}
-	records, err := store.ListReports(context.Background(), 0)
-	if err != nil || len(records) != 3 {
-		t.Fatalf("ListReports() = %#v, %v", records, err)
-	}
-	for _, record := range records {
-		if record.ReportID != "three_day" && record.ReportID != "weekend" && record.ReportID != "storm" {
-			t.Fatalf("unexpected historical report record: %#v", record)
-		}
-		metadata, path, err := store.LoadMetadataByRunID(context.Background(), record.RunID)
-		if err != nil || path != record.MetadataPath || metadata.PreparationPath != "/archive/render.json" || metadata.ExecutionPath != "/archive/result.json" {
-			t.Fatalf("LoadMetadataByRunID(%q) = %#v, %q, %v", record.RunID, metadata, path, err)
-		}
-	}
-}
-
-func TestFilesystemWritesAreAtomicAndRejectUnsafePaths(t *testing.T) {
-	store := newFilesystemTestStore(t)
-	resolved := resolveStateReport(t, report.Hourly, "2026-05-29T05:00:00-05:00", "")
-	path, err := store.SaveGeneratedTextRaw(context.Background(), resolved, []byte(`{"value":"first"}`))
-	if err != nil {
-		t.Fatalf("first SaveGeneratedTextRaw() error = %v", err)
-	}
-	if _, err := store.SaveGeneratedTextRaw(context.Background(), resolved, []byte(`{"value":"second"}`)); err != nil {
-		t.Fatalf("second SaveGeneratedTextRaw() error = %v", err)
-	}
-	data, err := os.ReadFile(path)
-	if err != nil || string(data) != `{"value":"second"}` {
-		t.Fatalf("atomic replacement = %q, %v", data, err)
-	}
-	entries, err := os.ReadDir(filepath.Dir(path))
-	if err != nil || len(entries) != 1 || entries[0].Name() != filepath.Base(path) {
-		t.Fatalf("artifact directory after atomic write = %#v, %v", entries, err)
-	}
-
-	metadata := promptMetadataFor(resolved, mustStatePaths(t, store, resolved))
-	metadata.PreparationPath = "/saved/preparation.json"
-	metadata.MetadataPath = filepath.Join(t.TempDir(), "outside.json")
-	if _, err := store.SaveMetadata(context.Background(), metadata); err == nil {
-		t.Fatal("SaveMetadata(outside workspace) error = nil")
-	}
-
-	cfg := config.Defaults().Workspace
-	cfg.Root = t.TempDir()
-	cfg.SnapshotsDir = "../snapshots"
-	if _, err := NewFilesystemStore(cfg); err == nil {
-		t.Fatal("NewFilesystemStore(unsafe directory) error = nil")
-	}
-	unsafeResolved := resolved
-	unsafeResolved.Definition.ID = report.ID("hourly/bad")
-	if _, err := store.Paths(unsafeResolved); err == nil {
-		t.Fatal("Paths(unsafe run id) error = nil")
-	}
-}
-
-func TestFindPriorSnapshotForSupportedReports(t *testing.T) {
-	tests := []struct {
-		id        report.ID
-		firstNow  string
-		secondNow string
-		date      string
-		wantPrior bool
-	}{
-		{report.Daily, "2026-05-29T05:00:00-05:00", "2026-05-29T08:00:00-05:00", "2026-05-29T12:00:00-05:00", true},
-		{report.Today, "2026-05-29T05:00:00-05:00", "2026-05-29T08:00:00-05:00", "", true},
-		{report.Tomorrow, "2026-05-29T17:00:00-05:00", "2026-05-29T18:00:00-05:00", "", true},
-		{report.Hourly, "2026-05-29T05:00:00-05:00", "2026-05-29T06:00:00-05:00", "", false},
-	}
-	for _, test := range tests {
-		t.Run(string(test.id), func(t *testing.T) {
-			store := newFilesystemTestStore(t)
-			first := resolveStateReport(t, test.id, test.firstNow, test.date)
-			second := resolveStateReport(t, test.id, test.secondNow, test.date)
-			paths := saveStateMetadata(t, store, first)
-			prior, err := store.FindPriorSnapshot(context.Background(), second)
-			if err != nil {
-				t.Fatalf("FindPriorSnapshot() error = %v", err)
-			}
-			if !test.wantPrior && prior != nil {
-				t.Fatalf("FindPriorSnapshot() = %#v, want nil", prior)
-			}
-			if test.wantPrior && (prior == nil || prior.Metadata.RunID != first.Metadata().RunID || prior.ModuleSnapshotPath != paths.ModuleSnapshot) {
-				t.Fatalf("FindPriorSnapshot() = %#v, want run %q", prior, first.Metadata().RunID)
-			}
-		})
-	}
-}
-
-func newFilesystemTestStore(t *testing.T) *FilesystemStore {
-	t.Helper()
-	cfg := config.Defaults().Workspace
-	cfg.Root = t.TempDir()
-	store, err := NewFilesystemStore(cfg)
-	if err != nil {
-		t.Fatalf("NewFilesystemStore() error = %v", err)
-	}
-	return store
-}
-
-func resolveStateReport(t *testing.T, id report.ID, nowValue, dateValue string) report.Resolved {
-	t.Helper()
-	location, err := time.LoadLocation("America/Chicago")
-	if err != nil {
-		t.Fatalf("LoadLocation() error = %v", err)
-	}
-	now, err := time.Parse(time.RFC3339, nowValue)
-	if err != nil {
-		t.Fatalf("parse now: %v", err)
-	}
-	req := report.ResolveRequest{Now: now, Location: location}
-	if dateValue != "" {
-		req.Date, err = time.Parse(time.RFC3339, dateValue)
-		if err != nil {
-			t.Fatalf("parse date: %v", err)
-		}
-	}
-	resolved, err := report.DefaultRegistry().Resolve(id, req)
-	if err != nil {
-		t.Fatalf("Resolve() error = %v", err)
-	}
-	return resolved
-}
-
-func mustStatePaths(t *testing.T, store *FilesystemStore, resolved report.Resolved) ArtifactPaths {
-	t.Helper()
-	paths, err := store.Paths(resolved)
-	if err != nil {
-		t.Fatalf("Paths() error = %v", err)
-	}
-	return paths
-}
-
-func promptMetadataFor(resolved report.Resolved, paths ArtifactPaths) Metadata {
-	metadata := BuildPromptMetadataFromBriefingMetadata(resolved, briefing.Metadata{
-		Sources:        []briefing.SourceMetadata{{Name: "weather-api", FetchedAt: resolved.GeneratedAt}},
-		SourceWarnings: []weatherdata.SourceWarning{},
-	}, ArtifactPaths{ModuleSnapshot: paths.ModuleSnapshot, Metadata: paths.Metadata, DataPackage: paths.DataPackage})
-	return metadata
-}
-
-func saveStateMetadata(t *testing.T, store *FilesystemStore, resolved report.Resolved) ArtifactPaths {
-	t.Helper()
-	paths := mustStatePaths(t, store, resolved)
-	metadata := promptMetadataFor(resolved, paths)
-	metadata.PreparationPath = paths.Preparation
-	if _, err := store.SaveMetadata(context.Background(), metadata); err != nil {
-		t.Fatalf("SaveMetadata() error = %v", err)
-	}
-	return paths
-}
-
-func preparationArtifactFor(resolved report.Resolved, paths ArtifactPaths) PromptPreparationArtifact {
-	artifact := validPreparationArtifact()
-	metadata := resolved.Metadata()
-	artifact.ReportID, artifact.RunID = metadata.ReportID, metadata.RunID
-	artifact.PromptID, artifact.PromptVersion = resolved.Definition.PromptID, resolved.Definition.PromptVersion
-	artifact.DataPackagePath = paths.DataPackage
-	artifact.Preparation.PromptID, artifact.Preparation.PromptVersion = artifact.PromptID, artifact.PromptVersion
-	artifact.Preparation.PromptHash = "prompt-hash"
-	return artifact
-}
-
-func validPreparationArtifact() PromptPreparationArtifact {
-	started := time.Date(2026, 5, 29, 15, 0, 0, 0, time.UTC)
-	return PromptPreparationArtifact{
-		SchemaVersion: PromptPreparationSchemaVersion, Status: PromptPreparationSucceeded,
-		ReportID: report.Daily, RunID: "weatherreporter-run", PromptID: "weather.daily_generated_text", PromptVersion: "2.0.0",
-		DataPackagePath: "/workspace/data.yaml", Preparation: &promptexec.Preparation{PromptID: "weather.daily_generated_text", PromptVersion: "2.0.0"},
-		StartedAt: started, EndedAt: started.Add(time.Second), Duration: time.Second,
-	}
-}
-
-func executionArtifactFor(resolved report.Resolved, paths ArtifactPaths) PromptExecutionArtifact {
-	artifact := validExecutionArtifact()
-	metadata := resolved.Metadata()
-	artifact.ReportID, artifact.RunID = metadata.ReportID, metadata.RunID
-	artifact.PromptID, artifact.PromptVersion = resolved.Definition.PromptID, resolved.Definition.PromptVersion
-	artifact.Provenance.PromptID, artifact.Provenance.PromptVersion = artifact.PromptID, artifact.PromptVersion
-	artifact.Paths.RawOutputPath = paths.GeneratedTextRaw
-	return artifact
-}
-
-func validExecutionArtifact() PromptExecutionArtifact {
-	started := time.Date(2026, 5, 29, 15, 0, 0, 0, time.UTC)
-	validation := promptexec.NewValidation(promptexec.ValidationPassed, "json_schema", "daily.generated_text.schema.json", nil)
-	return PromptExecutionArtifact{
-		SchemaVersion: PromptExecutionSchemaVersion, Status: PromptExecutionSucceeded,
-		ReportID: report.Daily, RunID: "weatherreporter-run", PromptID: "weather.daily_generated_text", PromptVersion: "2.0.0",
-		Provenance: &PromptExecutionProvenance{RunID: "provider-run", PromptID: "weather.daily_generated_text", PromptVersion: "2.0.0", PromptHash: "prompt-hash", RenderedPromptHash: "rendered-hash", ProfileID: "profile", BackendID: "backend", ModelName: "model", StartedAt: started, EndedAt: started.Add(time.Second), Duration: time.Second},
-		Validation: &validation, StartedAt: started, EndedAt: started.Add(time.Second), Duration: time.Second,
-	}
-}
-
-func writeJSONFixture(t *testing.T, path string, value any) {
-	t.Helper()
-	data, err := json.Marshal(value)
-	if err != nil {
-		t.Fatalf("marshal fixture: %v", err)
-	}
-	if err := os.MkdirAll(filepath.Dir(path), 0o755); err != nil {
-		t.Fatalf("create fixture directory: %v", err)
-	}
-	if err := os.WriteFile(path, data, 0o600); err != nil {
-		t.Fatalf("write fixture: %v", err)
-	}
-}
diff --git a/internal/state/metadata.go b/internal/state/metadata.go
index 9828d2f..2a7bc22 100644
--- a/internal/state/metadata.go
+++ b/internal/state/metadata.go
@@ -13,13 +13,10 @@ import (
 )
 
 const (
-	MetadataSchemaVersionV1 = "weatherreporter.metadata.v1"
-	MetadataSchemaVersion   = "weatherreporter.metadata.v2"
+	MetadataSchemaVersion = "weatherreporter.metadata.v2"
 )
 
-// Metadata is the durable record used for report discovery and inspection.
-// V1 fields remain internal compatibility values and are emitted only for V1
-// records; V2 records have no legacy aliases in their JSON representation.
+// Metadata is the durable record used by the transitional state package.
 type Metadata struct {
 	SchemaVersion         string                      `json:"schemaVersion"`
 	RunID                 string                      `json:"runId"`
@@ -45,39 +42,32 @@ type Metadata struct {
 	GeneratedTextRawPath  string                      `json:"generatedTextRawPath,omitempty"`
 	GeneratedTextPath     string                      `json:"generatedTextPath,omitempty"`
 	RenderContextPath     string                      `json:"renderContextPath,omitempty"`
-
-	// These paths are retained only to read legacy V1 records. They are never
-	// emitted in V2 metadata.
-	PreflightPath           string `json:"-"`
-	GeneratedTextResultPath string `json:"-"`
 }
 
 type metadataJSON struct {
-	SchemaVersion           string                      `json:"schemaVersion"`
-	RunID                   string                      `json:"runId"`
-	ReportID                report.ID                   `json:"reportId"`
-	Variant                 string                      `json:"variant,omitempty"`
-	PromptID                string                      `json:"promptId"`
-	GeneratedAt             time.Time                   `json:"generatedAt"`
-	Timezone                string                      `json:"timezone"`
-	ValidPeriod             timeutil.Period             `json:"validPeriod"`
-	Location                *briefing.LocationContext   `json:"location,omitempty"`
-	SourceLocationID        string                      `json:"sourceLocationId,omitempty"`
-	SourceLocation          string                      `json:"sourceLocation,omitempty"`
-	Sources                 []briefing.SourceMetadata   `json:"sources,omitempty"`
-	SourceWarnings          []weatherdata.SourceWarning `json:"sourceWarnings,omitempty"`
-	ModuleSnapshotPath      string                      `json:"moduleSnapshotPath"`
-	DataPackagePath         string                      `json:"dataPackagePath"`
-	PreparationPath         string                      `json:"preparationPath,omitempty"`
-	ExecutionPath           string                      `json:"executionPath,omitempty"`
-	PreflightPath           string                      `json:"preflightPath,omitempty"`
-	NotificationPath        string                      `json:"notificationPath,omitempty"`
-	RenderedReportPath      string                      `json:"renderedReportPath,omitempty"`
-	GeneratedTextSchemaID   string                      `json:"generatedTextSchemaId,omitempty"`
-	GeneratedTextRawPath    string                      `json:"generatedTextRawPath,omitempty"`
-	GeneratedTextResultPath string                      `json:"generatedTextResultPath,omitempty"`
-	GeneratedTextPath       string                      `json:"generatedTextPath,omitempty"`
-	RenderContextPath       string                      `json:"renderContextPath,omitempty"`
+	SchemaVersion         string                      `json:"schemaVersion"`
+	RunID                 string                      `json:"runId"`
+	ReportID              report.ID                   `json:"reportId"`
+	Variant               string                      `json:"variant,omitempty"`
+	PromptID              string                      `json:"promptId"`
+	GeneratedAt           time.Time                   `json:"generatedAt"`
+	Timezone              string                      `json:"timezone"`
+	ValidPeriod           timeutil.Period             `json:"validPeriod"`
+	Location              *briefing.LocationContext   `json:"location,omitempty"`
+	SourceLocationID      string                      `json:"sourceLocationId,omitempty"`
+	SourceLocation        string                      `json:"sourceLocation,omitempty"`
+	Sources               []briefing.SourceMetadata   `json:"sources,omitempty"`
+	SourceWarnings        []weatherdata.SourceWarning `json:"sourceWarnings,omitempty"`
+	ModuleSnapshotPath    string                      `json:"moduleSnapshotPath"`
+	DataPackagePath       string                      `json:"dataPackagePath"`
+	PreparationPath       string                      `json:"preparationPath,omitempty"`
+	ExecutionPath         string                      `json:"executionPath,omitempty"`
+	NotificationPath      string                      `json:"notificationPath,omitempty"`
+	RenderedReportPath    string                      `json:"renderedReportPath,omitempty"`
+	GeneratedTextSchemaID string                      `json:"generatedTextSchemaId,omitempty"`
+	GeneratedTextRawPath  string                      `json:"generatedTextRawPath,omitempty"`
+	GeneratedTextPath     string                      `json:"generatedTextPath,omitempty"`
+	RenderContextPath     string                      `json:"renderContextPath,omitempty"`
 }
 
 func (m Metadata) MarshalJSON() ([]byte, error) {
@@ -92,53 +82,24 @@ func (m Metadata) MarshalJSON() ([]byte, error) {
 		GeneratedTextSchemaID: m.GeneratedTextSchemaID, GeneratedTextRawPath: m.GeneratedTextRawPath,
 		GeneratedTextPath: m.GeneratedTextPath, RenderContextPath: m.RenderContextPath,
 	}
-	switch m.SchemaVersion {
-	case MetadataSchemaVersionV1:
-		w.PreflightPath = m.PreflightPath
-		w.GeneratedTextResultPath = m.GeneratedTextResultPath
-	case MetadataSchemaVersion:
-		w.PreparationPath = m.PreparationPath
-		w.ExecutionPath = m.ExecutionPath
-	default:
+	if m.SchemaVersion != MetadataSchemaVersion {
 		return nil, fmt.Errorf("unsupported metadata schema version %q", m.SchemaVersion)
 	}
+	w.PreparationPath = m.PreparationPath
+	w.ExecutionPath = m.ExecutionPath
 	return json.Marshal(w)
 }
 
 func (m *Metadata) UnmarshalJSON(data []byte) error {
-	var header struct {
-		SchemaVersion string `json:"schemaVersion"`
-	}
-	if err := json.Unmarshal(data, &header); err != nil {
+	type metadataWire Metadata
+	var decoded metadataWire
+	if err := json.Unmarshal(data, &decoded); err != nil {
 		return err
 	}
-	if header.SchemaVersion != MetadataSchemaVersionV1 && header.SchemaVersion != MetadataSchemaVersion {
-		return fmt.Errorf("unsupported metadata schema version %q", header.SchemaVersion)
-	}
-	var w metadataJSON
-	if err := json.Unmarshal(data, &w); err != nil {
-		return err
-	}
-	*m = Metadata{
-		SchemaVersion: w.SchemaVersion, RunID: w.RunID, ReportID: w.ReportID,
-		Variant: w.Variant, PromptID: w.PromptID, GeneratedAt: w.GeneratedAt,
-		Timezone: w.Timezone, ValidPeriod: w.ValidPeriod, Location: w.Location,
-		SourceLocationID: w.SourceLocationID, SourceLocation: w.SourceLocation,
-		Sources: w.Sources, SourceWarnings: w.SourceWarnings,
-		ModuleSnapshotPath: w.ModuleSnapshotPath, DataPackagePath: w.DataPackagePath,
-		NotificationPath: w.NotificationPath, RenderedReportPath: w.RenderedReportPath,
-		GeneratedTextSchemaID: w.GeneratedTextSchemaID, GeneratedTextRawPath: w.GeneratedTextRawPath,
-		GeneratedTextPath: w.GeneratedTextPath, RenderContextPath: w.RenderContextPath,
-	}
-	if w.SchemaVersion == MetadataSchemaVersionV1 {
-		m.PreflightPath = w.PreflightPath
-		m.GeneratedTextResultPath = w.GeneratedTextResultPath
-		m.PreparationPath = w.PreflightPath
-		m.ExecutionPath = w.GeneratedTextResultPath
-	} else {
-		m.PreparationPath = w.PreparationPath
-		m.ExecutionPath = w.ExecutionPath
+	if decoded.SchemaVersion != MetadataSchemaVersion {
+		return fmt.Errorf("unsupported metadata schema version %q", decoded.SchemaVersion)
 	}
+	*m = Metadata(decoded)
 	return nil
 }
 
@@ -155,18 +116,12 @@ func (m Metadata) Validate() error {
 	if strings.TrimSpace(m.MetadataPath) == "" {
 		return fmt.Errorf("metadata path is required")
 	}
-	switch m.SchemaVersion {
-	case MetadataSchemaVersionV1:
-		if strings.TrimSpace(m.PreflightPath) == "" {
-			return fmt.Errorf("metadata preflight path is required")
-		}
-	case MetadataSchemaVersion:
-		if strings.TrimSpace(m.PreparationPath) == "" {
-			return fmt.Errorf("metadata preparation path is required")
-		}
-	default:
+	if m.SchemaVersion != MetadataSchemaVersion {
 		return fmt.Errorf("unsupported metadata schema version %q", m.SchemaVersion)
 	}
+	if strings.TrimSpace(m.PreparationPath) == "" {
+		return fmt.Errorf("metadata preparation path is required")
+	}
 	return nil
 }
 
diff --git a/internal/state/metadata_reached_paths_test.go b/internal/state/metadata_reached_paths_test.go
index 1c35e68..b859219 100644
--- a/internal/state/metadata_reached_paths_test.go
+++ b/internal/state/metadata_reached_paths_test.go
@@ -1,6 +1,7 @@
 package state
 
 import (
+	"encoding/json"
 	"testing"
 	"time"
 
@@ -36,3 +37,10 @@ func TestBuildPromptMetadataIncludesOnlyExistingArtifacts(t *testing.T) {
 		t.Fatalf("metadata includes paths for unreached artifacts: %#v", metadata)
 	}
 }
+
+func TestMetadataRejectsRetiredSchema(t *testing.T) {
+	var metadata Metadata
+	if err := json.Unmarshal([]byte(`{"schemaVersion":"weatherreporter.metadata.v1"}`), &metadata); err == nil {
+		t.Fatal("Unmarshal() error = nil, want retired schema rejection")
+	}
+}
diff --git a/internal/state/store.go b/internal/state/store.go
index 415e65b..f94ebdc 100644
--- a/internal/state/store.go
+++ b/internal/state/store.go
@@ -25,17 +25,6 @@ type Store interface {
 	SaveRenderContext(context.Context, report.Resolved, any) (string, error)
 	PrepareRenderedReport(context.Context, report.Resolved) (string, error)
 	SaveMetadata(context.Context, Metadata) (string, error)
-	FindPriorSnapshot(context.Context, report.Resolved) (*PriorSnapshot, error)
-	LoadModuleSnapshot(context.Context, string) (module.Snapshot, error)
-	LoadGeneratedText(context.Context, string) ([]byte, error)
-	LoadPromptPreparation(context.Context, string) (PromptPreparationArtifact, error)
-	LoadPromptExecution(context.Context, string) (PromptExecutionArtifact, error)
-	LoadRenderContext(context.Context, string, any) error
-}
-
-type PriorSnapshot struct {
-	Metadata           Metadata
-	ModuleSnapshotPath string
 }
 
 const DistributorNotificationSchemaVersion = "weatherreporter.distributor_notification.v1"