Fixed the Discord SSO somewhat

Fixed FS system
Added TZ options

Dockerfile

@@ -31,7 +31,7 @@ FROM gcr.io/distroless/base-debian12:nonroot
 WORKDIR /app
 COPY --from=build /out/greencoast-shard /app/greencoast-shard
 COPY configs/shard.sample.yaml /app/shard.yaml
-COPY client /app/client
+COPY client/ /opt/greencoast/client/
 VOLUME ["/var/lib/greencoast"]
 EXPOSE 8080 8081 8443 9443
 USER nonroot:nonroot

client/app.js

@@ -2,18 +2,15 @@ import { encryptString, decryptToString, toBlob } from "./crypto.js";
 
 // ---- Helpers ----
 function defaultApiBase() {
-  // 1) URL query override: …/index.html?api=https://api.domain
   try {
     const qs = new URLSearchParams(window.location.search);
     const qApi = qs.get("api");
     if (qApi) return qApi.replace(/\/+$/, "");
   } catch {}
 
-  // 2) Meta override in index.html: <meta name="gc-api-base" content="https://api.domain">
   const m = document.querySelector('meta[name="gc-api-base"]');
   if (m && m.content) return m.content.replace(/\/+$/, "");
 
-  // 3) Heuristic from frontend origin
   try {
     const u = new URL(window.location.href);
     const proto = u.protocol;
@@ -33,6 +30,8 @@ function defaultApiBase() {
   }
 }
 
+const LOCAL_TZ = Intl.DateTimeFormat().resolvedOptions().timeZone || "UTC";
+
 // ---- DOM refs ----
 const els = {
   shardUrl: document.getElementById("shardUrl"),
@@ -47,13 +46,12 @@ const els = {
   publishStatus: document.getElementById("publishStatus"),
   posts: document.getElementById("posts"),
   discordStart: document.getElementById("discordStart"),
+  shareTZ: document.getElementById("shareTZ"),
 };
 
 // ---- Config + state ----
 const LS_KEY = "gc_client_config_v1";
 const POSTS_KEY = "gc_posts_index_v1";
-
-// IMPORTANT: define before sse() is ever called
 let sseCtrl = null;
 
 // ---- Boot ----
@@ -63,20 +61,18 @@ checkHealth();
 syncIndex();
 sse();
 
-
-els.saveConn.onclick = async () => {
-  const c = { url: norm(els.shardUrl.value), bearer: els.bearer.value.trim(), passphrase: els.passphrase.value };
-  saveConfig(c); await checkHealth(); await syncIndex(); sse(true);
-};
-
-els.publish.onclick = publish;
-els.discordStart.onclick = discordStart;
-
+// ---- Storage helpers ----
 function loadConfig(){ try { return JSON.parse(localStorage.getItem(LS_KEY)) ?? {}; } catch { return {}; } }
 function saveConfig(c){ localStorage.setItem(LS_KEY, JSON.stringify(c)); Object.assign(cfg, c); }
 function getPosts(){ try { return JSON.parse(localStorage.getItem(POSTS_KEY)) ?? []; } catch { return []; } }
 function setPosts(v){ localStorage.setItem(POSTS_KEY, JSON.stringify(v)); renderPosts(); }
 function norm(u){ return (u||"").replace(/\/+$/,""); }
+function fmtWhen(ts, tz) {
+  try {
+    return new Intl.DateTimeFormat(undefined, { dateStyle:"medium", timeStyle:"short", timeZone: tz }).format(new Date(ts));
+  } catch { return ts; }
+}
+
 function applyConfig() {
   if (!cfg.url) {
     const detected = defaultApiBase();
@@ -88,11 +84,23 @@ function applyConfig() {
   els.passphrase.value = cfg.passphrase ?? "";
 }
 
+els.saveConn.onclick = async () => {
+  const c = { url: norm(els.shardUrl.value), bearer: els.bearer.value.trim(), passphrase: els.passphrase.value };
+  saveConfig(c); await checkHealth(); await syncIndex(); sse(true);
+};
+
+els.publish.onclick = publish;
+els.discordStart.onclick = discordStart;
 
 async function checkHealth() {
-  if (!cfg.url) return; els.health.textContent = "Checking…";
-  try { const r = await fetch(cfg.url + "/healthz"); els.health.textContent = r.ok ? "Connected ✔" : `Error: ${r.status}`; }
-  catch { els.health.textContent = "Not reachable"; }
+  if (!cfg.url) { els.health.textContent = "No API base set"; return; }
+  els.health.textContent = "Checking…";
+  try {
+    const r = await fetch(cfg.url + "/healthz", { mode:"cors" });
+    els.health.textContent = r.ok ? "Connected ✔" : `Error: ${r.status}`;
+  } catch (e) {
+    els.health.textContent = "Not reachable";
+  }
 }
 
 async function publish() {
@@ -104,15 +112,19 @@ async function publish() {
       if (!cfg.passphrase) return msg("Set a passphrase for private posts.", true);
       const payload = await encryptString(JSON.stringify({ title, body }), cfg.passphrase);
       blob = toBlob(payload); enc=true;
-    } else { blob = toBlob(JSON.stringify({ title, body })); }
+    } else {
+      blob = toBlob(JSON.stringify({ title, body }));
+    }
     const headers = { "Content-Type":"application/octet-stream" };
     if (cfg.bearer) headers["Authorization"] = "Bearer " + cfg.bearer;
     if (enc) headers["X-GC-Private"] = "1";
+    if (els.shareTZ && els.shareTZ.checked && LOCAL_TZ) headers["X-GC-TZ"] = LOCAL_TZ; // NEW
+
     const r = await fetch(cfg.url + "/v1/object", { method:"PUT", headers, body: blob });
     if (!r.ok) throw new Error(await r.text());
     const j = await r.json();
     const posts = getPosts();
-    posts.unshift({ hash:j.hash, title: title || "(untitled)", bytes:j.bytes, ts:j.stored_at, enc });
+    posts.unshift({ hash:j.hash, title: title || "(untitled)", bytes:j.bytes, ts:j.stored_at, enc, creator_tz: j.creator_tz || "" });
     setPosts(posts);
     els.body.value = ""; msg(`Published ${enc?"private":"public"} post. Hash: ${j.hash}`);
   } catch(e){ msg("Publish failed: " + (e?.message||e), true); }
@@ -127,13 +139,13 @@ async function syncIndex() {
     const r = await fetch(cfg.url + "/v1/index", { headers });
     if (!r.ok) throw new Error("index fetch failed");
     const entries = await r.json();
-    setPosts(entries.map(e => ({ hash:e.hash, title:"(title unknown — fetch)", bytes:e.bytes, ts:e.stored_at, enc:e.private })));
+    setPosts(entries.map(e => ({ hash:e.hash, title:"(title unknown — fetch)", bytes:e.bytes, ts:e.stored_at, enc:e.private, creator_tz: e.creator_tz || "" })));
   } catch(e){ console.warn("index sync failed", e); }
 }
 
-function sse(){
+function sse(forceRestart=false){
   if (!cfg.url) return;
-  if (sseCtrl) { sseCtrl.abort(); sseCtrl = undefined; }
+  if (sseCtrl) { sseCtrl.abort(); sseCtrl = null; }
   sseCtrl = new AbortController();
   const url = cfg.url + "/v1/index/stream";
   const headers = {}; if (cfg.bearer) headers["Authorization"] = "Bearer " + cfg.bearer;
@@ -154,7 +166,7 @@ function sse(){
               const e = ev.data;
               const posts = getPosts();
               if (!posts.find(p => p.hash === e.hash)) {
-                posts.unshift({ hash:e.hash, title:"(title unknown — fetch)", bytes:e.bytes, ts:e.stored_at, enc:e.private });
+                posts.unshift({ hash:e.hash, title:"(title unknown — fetch)", bytes:e.bytes, ts:e.stored_at, enc:e.private, creator_tz: e.creator_tz || "" });
                 setPosts(posts);
               }
             } else if (ev.event === "delete") {
@@ -204,18 +216,15 @@ async function delServer(p) {
 }
 
 async function discordStart() {
-  // Last-resort auto-fill if user didn’t hit Save
   if (!cfg.url) {
     const derived = defaultApiBase();
     if (derived) {
-      cfg.url = derived;
-      try { localStorage.setItem(LS_KEY, JSON.stringify(cfg)); } catch {}
+      cfg.url = derived; try { localStorage.setItem(LS_KEY, JSON.stringify(cfg)); } catch {}
       els.shardUrl.value = derived;
     }
   }
   if (!cfg.url) { alert("Set shard URL first."); return; }
-
-  const r = await fetch(cfg.url + "/v1/auth/discord/start", { headers: { "X-GC-3P-Assent": "1" }});
+  const r = await fetch(cfg.url + "/v1/auth/discord/start", { headers: { "X-GC-3P-Assent":"1" }});
   if (!r.ok) { alert("Discord SSO not available"); return; }
   const j = await r.json();
   location.href = j.url;
@@ -224,10 +233,17 @@ async function discordStart() {
 function renderPosts() {
   const posts = getPosts(); els.posts.innerHTML = "";
   for (const p of posts) {
+    const localStr = fmtWhen(p.ts, LOCAL_TZ) + ` (${LOCAL_TZ})`;
+    let creatorStr = "";
+    if (p.creator_tz && p.creator_tz !== LOCAL_TZ) {
+      creatorStr = ` · creator: ${fmtWhen(p.ts, p.creator_tz)} (${p.creator_tz})`;
+    }
     const div = document.createElement("div"); div.className = "post";
     const badge = p.enc ? `<span class="badge">private</span>` : `<span class="badge">public</span>`;
     div.innerHTML = `
-      <div class="meta"><code>${p.hash.slice(0,10)}…</code> · ${p.bytes} bytes · ${p.ts} ${badge}</div>
+      <div class="meta">
+        <code>${p.hash.slice(0,10)}…</code> · ${p.bytes} bytes · ${localStr}${creatorStr} ${badge}
+      </div>
       <div class="actions">
         <button data-act="view">View</button>
         <button data-act="save">Save blob</button>

client/index.html

@@ -4,9 +4,8 @@
   <meta charset="utf-8"/>
   <title>GreenCoast — Client</title>
   <meta name="viewport" content="width=device-width,initial-scale=1"/>
-  <meta name="gc-api-base" content="https://api.greencoast.fullmooncyberworks.com">
-  <!-- Optional: hard override API base during testing -->
-  <!-- <meta name="gc-api-base" content="http://127.0.0.1:9080"> -->
+  <!-- Force API base for Cloudflare tunneled API -->
+  <meta name="gc-api-base" content="https://api-gc.fullmooncyberworks.com">
   <link rel="stylesheet" href="./styles.css"/>
 </head>
 <body>
@@ -15,13 +14,9 @@
 
     <section class="card">
       <h2>Connect</h2>
-      <div class="row">
-        <label>Detected API</label>
-        <input id="detectedApi" readonly />
-      </div>
       <div class="row">
         <label>Shard URL</label>
-        <input id="shardUrl" placeholder="http://localhost:8080" />
+        <input id="shardUrl" placeholder="https://api-gc.fullmooncyberworks.com" />
       </div>
       <div class="row">
         <label>Bearer (optional)</label>
@@ -61,6 +56,9 @@
         <label>Body</label>
         <textarea id="body" rows="6" placeholder="Write your post..."></textarea>
       </div>
+      <div class="row">
+        <label><input type="checkbox" id="shareTZ" checked> Include my time zone on this post</label>
+      </div>
       <button id="publish">Publish</button>
       <div id="publishStatus" class="muted"></div>
     </section>
@@ -72,16 +70,5 @@
   </div>
 
   <script type="module" src="./app.js"></script>
-  <script>
-    // Show what the client detected for the API base, to confirm routing
-    (function(){
-      try {
-        if (typeof defaultApiBase === "function") {
-          const el = document.getElementById("detectedApi");
-          if (el) el.value = defaultApiBase();
-        }
-      } catch {}
-    })();
-  </script>
 </body>
 </html>

cmd/shard/main.go

@@ -1,89 +1,154 @@
 package main
 
 import (
-	"flag"
 	"log"
-	"path/filepath"
+	"net/http"
+	"os"
+	"strconv"
+	"time"
 
 	"greencoast/internal/api"
-	"greencoast/internal/config"
-	"greencoast/internal/federation"
 	"greencoast/internal/index"
 	"greencoast/internal/storage"
 )
 
-func main() {
-	cfgPath := flag.String("config", "shard.yaml", "path to config")
-	flag.Parse()
-
-	cfg, err := config.Load(*cfgPath)
-	if err != nil {
-		log.Fatalf("config error: %v", err)
+func getenvBool(key string, def bool) bool {
+	v := os.Getenv(key)
+	if v == "" {
+		return def
 	}
-
-	store, err := storage.NewFSStore(cfg.Storage.Path, cfg.Storage.MaxObjectKB)
+	b, err := strconv.ParseBool(v)
 	if err != nil {
-		log.Fatalf("storage error: %v", err)
+		return def
 	}
+	return b
+}
 
-	dataRoot := filepath.Dir(cfg.Storage.Path)
-	idx := index.New(dataRoot)
+func staticHeaders(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		// Same security posture as API
+		w.Header().Set("Referrer-Policy", "no-referrer")
+		w.Header().Set("Cross-Origin-Opener-Policy", "same-origin")
+		w.Header().Set("Cross-Origin-Resource-Policy", "same-site")
+		w.Header().Set("Permissions-Policy", "camera=(), microphone=(), geolocation=(), interest-cohort=(), browsing-topics=()")
+		w.Header().Set("X-Frame-Options", "DENY")
+		w.Header().Set("X-Content-Type-Options", "nosniff")
+		w.Header().Set("Strict-Transport-Security", "max-age=15552000; includeSubDomains; preload")
 
-	srv := api.New(
-		store, idx,
-		cfg.Privacy.RetainTimestamps == "coarse",
-		cfg.Security.ZeroTrust,
-		api.AuthProviders{
-			SigningSecretHex: cfg.Auth.SigningSecret,
-			Discord: api.DiscordProvider{
-				Enabled:      cfg.Auth.SSO.Discord.Enabled,
-				ClientID:     cfg.Auth.SSO.Discord.ClientID,
-				ClientSecret: cfg.Auth.SSO.Discord.ClientSecret,
-				RedirectURI:  cfg.Auth.SSO.Discord.RedirectURI,
-			},
-			GoogleEnabled:   cfg.Auth.SSO.Google.Enabled,
-			FacebookEnabled: cfg.Auth.SSO.Facebook.Enabled,
-			WebAuthnEnabled: cfg.Auth.TwoFactor.WebAuthnEnabled,
-			TOTPEnabled:     cfg.Auth.TwoFactor.TOTPEnabled,
-		},
-	)
-
-	// Optional: also mount static under API mux (subpath) if you later want that.
-	// srv.MountStatic(cfg.UI.Path, "/app")
-
-	// Start federation mTLS (if enabled)
-	if cfg.Federation.MTLSEnable {
-		tlsCfg, err := federation.ServerTLSConfig(
-			cfg.Federation.CertFile,
-			cfg.Federation.KeyFile,
-			cfg.Federation.ClientCAFile,
-		)
-		if err != nil {
-			log.Fatalf("federation tls config error: %v", err)
+		// Basic CORS for client assets
+		w.Header().Set("Access-Control-Allow-Origin", "*")
+		if r.Method == http.MethodOptions {
+			w.Header().Set("Access-Control-Allow-Methods", "GET, OPTIONS")
+			w.Header().Set("Access-Control-Allow-Headers", "Content-Type")
+			w.WriteHeader(http.StatusNoContent)
+			return
 		}
-		go func() {
-			if err := srv.ListenMTLS(cfg.Federation.Listen, tlsCfg); err != nil {
-				log.Fatalf("federation mTLS listener error: %v", err)
-			}
-		}()
+		next.ServeHTTP(w, r)
+	})
+}
+
+func main() {
+	// ---- Config via env ----
+	httpAddr := os.Getenv("GC_HTTP_ADDR")
+	if httpAddr == "" {
+		httpAddr = ":9080" // API
 	}
 
-	// Start FRONTEND listener (separate port) if enabled
-	if cfg.UI.Enable && cfg.UI.FrontendHTTP != "" {
-		go func() {
-			if err := srv.ListenFrontendHTTP(cfg.UI.FrontendHTTP, cfg.UI.Path, cfg.UI.BaseURL); err != nil {
-				log.Fatalf("frontend listener error: %v", err)
-			}
-		}()
+	// Optional TLS for API
+	httpsAddr := os.Getenv("GC_HTTPS_ADDR") // leave empty for HTTP
+	certFile := os.Getenv("GC_TLS_CERT")
+	keyFile := os.Getenv("GC_TLS_KEY")
+
+	dataDir := os.Getenv("GC_DATA_DIR")
+	if dataDir == "" {
+		dataDir = "/var/lib/greencoast"
 	}
 
-	// Choose ONE foreground listener for API: HTTPS if enabled, else HTTP.
-	if cfg.TLS.Enable && cfg.Listen.HTTPS != "" {
-		log.Fatal(srv.ListenHTTPS(cfg.Listen.HTTPS, cfg.TLS.CertFile, cfg.TLS.KeyFile))
+	// Static dir + port (frontend)
+	staticDir := os.Getenv("GC_STATIC_DIR")
+	if staticDir == "" {
+		staticDir = "/opt/greencoast/client"
+	}
+	staticAddr := os.Getenv("GC_STATIC_ADDR")
+	if staticAddr == "" {
+		staticAddr = ":9082"
+	}
+
+	coarseTS := getenvBool("GC_COARSE_TS", false)
+	zeroTrust := getenvBool("GC_ZERO_TRUST", true)
+	signingSecretHex := os.Getenv("GC_SIGNING_SECRET_HEX")
+
+	// Discord SSO
+	discID := os.Getenv("GC_DISCORD_CLIENT_ID")
+	discSecret := os.Getenv("GC_DISCORD_CLIENT_SECRET")
+	discRedirect := os.Getenv("GC_DISCORD_REDIRECT_URI")
+
+	// ---- Storage ----
+	store, err := storage.NewFS(dataDir)
+	if err != nil {
+		log.Fatalf("storage init: %v", err)
+	}
+
+	// ---- Index ----
+	ix := index.New()
+
+	// Optional: auto-reindex from disk on boot
+	if w, ok := any(store).(interface {
+		Walk(func(hash string, size int64, mod time.Time) error) error
+	}); ok {
+		if err := w.Walk(func(hash string, size int64, mod time.Time) error {
+			return ix.Put(index.Entry{
+				Hash:     hash,
+				Bytes:    size,
+				StoredAt: mod.UTC().Format(time.RFC3339Nano),
+				Private:  false,
+			})
+		}); err != nil {
+			log.Printf("reindex on boot: %v", err)
+		}
+	}
+
+	// ---- Auth/Providers ----
+	ap := api.AuthProviders{
+		SigningSecretHex: signingSecretHex,
+		Discord: api.DiscordProvider{
+			Enabled:      discID != "" && discSecret != "" && discRedirect != "",
+			ClientID:     discID,
+			ClientSecret: discSecret,
+			RedirectURI:  discRedirect,
+		},
+	}
+
+	// ---- API server (9080/HTTPS optional) ----
+	srv := api.New(store, ix, coarseTS, zeroTrust, ap)
+
+	// Serve the static client in a goroutine on 9082
+	go func() {
+		if st, err := os.Stat(staticDir); err != nil || !st.IsDir() {
+			log.Printf("WARN: GC_STATIC_DIR %q not found or not a dir; client may 404", staticDir)
+		}
+		mux := http.NewServeMux()
+		mux.Handle("/", http.FileServer(http.Dir(staticDir)))
+		log.Printf("static listening on %s (dir=%s)", staticAddr, staticDir)
+		if err := http.ListenAndServe(staticAddr, staticHeaders(mux)); err != nil {
+			log.Fatalf("static server: %v", err)
+		}
+	}()
+
+	// Prefer HTTPS if configured
+	if httpsAddr != "" && certFile != "" && keyFile != "" {
+		log.Printf("starting HTTPS API on %s", httpsAddr)
+		if err := srv.ListenHTTPS(httpsAddr, certFile, keyFile); err != nil {
+			log.Fatal(err)
+		}
 		return
 	}
-	if cfg.Listen.HTTP == "" {
-		log.Fatal("no API listeners configured (set listen.http or listen.https)")
+
+	// Otherwise HTTP
+	log.Printf("starting HTTP API on %s", httpAddr)
+	if err := srv.ListenHTTP(httpAddr); err != nil {
+		log.Fatal(err)
 	}
-	log.Fatal(srv.ListenHTTP(cfg.Listen.HTTP))
+
+	_ = time.Second
 }

configs/shard.test.yaml

@@ -45,8 +45,8 @@ auth:
   sso:
     discord:
       enabled: true
-      client_id: "REPLACE"
-      client_secret: "REPLACE"
+      client_id: "1408292766319906946"
+      client_secret: "zJ6GnUUykHbMFbWsPPneNxNK-PtOXYg1"
       # must exactly match your Discord app's allowed redirect
       redirect_uri: "https://greencoast.fullmooncyberworks.com/auth-callback.html"
     google:

docker-compose.test.yml

@@ -11,7 +11,7 @@ services:
       - "9080:9080"   # API
       - "9082:9082"   # Frontend
     environment:
-      - GC_DEV_ALLOW_UNAUTH=false
+      - GC_DEV_ALLOW_UNAUTH=true
     volumes:
       - ./testdata:/var/lib/greencoast
       - ./configs/shard.test.yaml:/app/shard.yaml:ro

internal/index/index.go

@@ -1,123 +1,108 @@
 package index
 
 import (
-	"bufio"
-	"encoding/json"
-	"os"
-	"path/filepath"
 	"sort"
 	"sync"
 	"time"
 )
 
-type opType string
-
-const (
-	OpPut opType = "put"
-	OpDel opType = "del"
-)
-
-type record struct {
-	Op       opType    `json:"op"`
-	Hash     string    `json:"hash"`
-	Bytes    int64     `json:"bytes,omitempty"`
-	StoredAt time.Time `json:"stored_at,omitempty"`
-	Private  bool      `json:"private,omitempty"`
-}
-
+// Entry is the API/JSON shape the server returns.
+// StoredAt is RFC3339/RFC3339Nano in UTC.
 type Entry struct {
-	Hash     string    `json:"hash"`
-	Bytes    int64     `json:"bytes"`
-	StoredAt time.Time `json:"stored_at"`
-	Private  bool      `json:"private"`
+	Hash      string `json:"hash"`
+	Bytes     int64  `json:"bytes"`
+	StoredAt  string `json:"stored_at"` // RFC3339( Nano ) string
+	Private   bool   `json:"private"`
+	CreatorTZ string `json:"creator_tz,omitempty"` // IANA TZ like "America/New_York"
 }
 
+// internal record with real time.Time for sorting/comparison.
+type rec struct {
+	Hash      string
+	Bytes     int64
+	StoredAt  time.Time
+	Private   bool
+	CreatorTZ string
+}
+
+// Index is an in-memory index keyed by hash.
 type Index struct {
-	path string
-	mu   sync.Mutex
+	mu   sync.RWMutex
+	hash map[string]rec
 }
 
-func New(baseDir string) *Index {
-	return &Index{path: filepath.Join(baseDir, "index.jsonl")}
+// New creates an empty Index.
+func New() *Index {
+	return &Index{
+		hash: make(map[string]rec),
+	}
 }
 
-func (i *Index) AppendPut(e Entry) error {
-	i.mu.Lock()
-	defer i.mu.Unlock()
-	return appendRec(i.path, record{
-		Op:       OpPut,
-		Hash:     e.Hash,
-		Bytes:    e.Bytes,
-		StoredAt: e.StoredAt,
-		Private:  e.Private,
+// Put inserts or replaces an entry.
+// e.StoredAt may be RFC3339( Nano ); if empty/invalid we use time.Now().UTC().
+func (ix *Index) Put(e Entry) error {
+	ix.mu.Lock()
+	defer ix.mu.Unlock()
+
+	t := parseWhen(e.StoredAt)
+	if t.IsZero() {
+		t = time.Now().UTC()
+	}
+
+	ix.hash[e.Hash] = rec{
+		Hash:      e.Hash,
+		Bytes:     e.Bytes,
+		StoredAt:  t,
+		Private:   e.Private,
+		CreatorTZ: e.CreatorTZ,
+	}
+	return nil
+}
+
+// Delete removes an entry by hash (no error if absent).
+func (ix *Index) Delete(hash string) error {
+	ix.mu.Lock()
+	defer ix.mu.Unlock()
+	delete(ix.hash, hash)
+	return nil
+}
+
+// List returns entries sorted by StoredAt descending.
+func (ix *Index) List() ([]Entry, error) {
+	ix.mu.RLock()
+	defer ix.mu.RUnlock()
+
+	tmp := make([]rec, 0, len(ix.hash))
+	for _, r := range ix.hash {
+		tmp = append(tmp, r)
+	}
+	sort.Slice(tmp, func(i, j int) bool {
+		return tmp[i].StoredAt.After(tmp[j].StoredAt)
 	})
-}
 
-func (i *Index) AppendDelete(hash string) error {
-	i.mu.Lock()
-	defer i.mu.Unlock()
-	return appendRec(i.path, record{Op: OpDel, Hash: hash})
-}
-
-func appendRec(path string, r record) error {
-	if err := os.MkdirAll(filepath.Dir(path), 0o755); err != nil {
-		return err
-	}
-	f, err := os.OpenFile(path, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0o644)
-	if err != nil {
-		return err
-	}
-	defer f.Close()
-	enc := json.NewEncoder(f)
-	return enc.Encode(r)
-}
-
-func (i *Index) Snapshot() ([]Entry, error) {
-	i.mu.Lock()
-	defer i.mu.Unlock()
-
-	f, err := os.Open(i.path)
-	if os.IsNotExist(err) {
-		return nil, nil
-	}
-	if err != nil {
-		return nil, err
-	}
-	defer f.Close()
-
-	sc := bufio.NewScanner(f)
-	sc.Buffer(make([]byte, 0, 64*1024), 4*1024*1024)
-
-	type state struct {
-		Entry   Entry
-		Deleted bool
-	}
-	m := make(map[string]state)
-	for sc.Scan() {
-		var rec record
-		if err := json.Unmarshal(sc.Bytes(), &rec); err != nil {
-			continue
-		}
-		switch rec.Op {
-		case OpPut:
-			m[rec.Hash] = state{Entry: Entry{
-				Hash: rec.Hash, Bytes: rec.Bytes, StoredAt: rec.StoredAt, Private: rec.Private,
-			}}
-		case OpDel:
-			s := m[rec.Hash]
-			s.Deleted = true
-			m[rec.Hash] = s
+	out := make([]Entry, len(tmp))
+	for i, r := range tmp {
+		out[i] = Entry{
+			Hash:      r.Hash,
+			Bytes:     r.Bytes,
+			StoredAt:  r.StoredAt.UTC().Format(time.RFC3339Nano),
+			Private:   r.Private,
+			CreatorTZ: r.CreatorTZ,
 		}
 	}
-	if err := sc.Err(); err != nil {
-		return nil, err
-	}
-	var out []Entry
-	for _, s := range m {
-		if !s.Deleted && s.Entry.Hash != "" {
-			out = append(out, s.Entry)
-		}
-	}
-	sort.Slice(out, func(i, j int) bool { return out[i].StoredAt.After(out[j].StoredAt) })
 	return out, nil
 }
+
+// parseWhen tries RFC3339Nano then RFC3339; returns zero time on failure.
+func parseWhen(s string) time.Time {
+	if s == "" {
+		return time.Time{}
+	}
+	if t, err := time.Parse(time.RFC3339Nano, s); err == nil {
+		return t
+	}
+	if t, err := time.Parse(time.RFC3339, s); err == nil {
+		return t
+	}
+	return time.Time{}
+}

internal/storage/fs.go

@@ -0,0 +1,314 @@
+package storage
+
+import (
+	"errors"
+	"io"
+	"io/fs"
+	"os"
+	"path/filepath"
+	"strings"
+	"time"
+)
+
+// FSStore stores blobs on the local filesystem under root/objects/...
+// It supports both a flat layout (objects/<hash>) and a nested layout
+// (objects/<hash>/<file> or objects/<prefix>/<hash>).
+type FSStore struct {
+	root    string
+	objects string
+}
+
+// NewFS returns a file-backed blob store rooted at dir.
+func NewFS(dir string) (*FSStore, error) {
+	if dir == "" {
+		return nil, errors.New("empty storage dir")
+	}
+	o := filepath.Join(dir, "objects")
+	if err := os.MkdirAll(o, 0o755); err != nil {
+		return nil, err
+	}
+	return &FSStore{root: dir, objects: o}, nil
+}
+
+// pathFlat returns the flat path objects/<hash>.
+func (s *FSStore) pathFlat(hash string) (string, error) {
+	if hash == "" {
+		return "", errors.New("empty hash")
+	}
+	return filepath.Join(s.objects, hash), nil
+}
+
+// isHexHash does a quick check for lowercase hex of length 64.
+func isHexHash(name string) bool {
+	if len(name) != 64 {
+		return false
+	}
+	for i := 0; i < 64; i++ {
+		c := name[i]
+		if !((c >= '0' && c <= '9') || (c >= 'a' && c <= 'f')) {
+			return false
+		}
+	}
+	return true
+}
+
+// findBlobPath tries common layouts before falling back to a recursive search.
+//
+// Supported fast paths (in order):
+//  1. objects/<hash>                                 (flat file)
+//  2. objects/<hash>/blob|data|content               (common names)
+//  3. objects/<hash>/<single file>                   (folder-per-post; pick that file)
+//  4. objects/<hash[0:2]>/<hash>                     (two-level prefix sharding)
+//
+// If still not found, it walks recursively under objects/ to locate either:
+//   - a file named exactly <hash>, or
+//   - any file under a directory named <hash> (choose the most recently modified).
+func (s *FSStore) findBlobPath(hash string) (string, error) {
+	if hash == "" {
+		return "", errors.New("empty hash")
+	}
+
+	// 1) flat file
+	if p, _ := s.pathFlat(hash); fileExists(p) {
+		return p, nil
+	}
+
+	// 2) objects/<hash>/{blob,data,content}
+	dir := filepath.Join(s.objects, hash)
+	for _, cand := range []string{"blob", "data", "content"} {
+		p := filepath.Join(dir, cand)
+		if fileExists(p) {
+			return p, nil
+		}
+	}
+
+	// 3) objects/<hash>/<single file>
+	if st, err := os.Stat(dir); err == nil && st.IsDir() {
+		ents, err := os.ReadDir(dir)
+		if err == nil {
+			var picked string
+			var pickedMod time.Time
+			for _, de := range ents {
+				if de.IsDir() {
+					continue
+				}
+				p := filepath.Join(dir, de.Name())
+				fi, err := os.Stat(p)
+				if err != nil || !fi.Mode().IsRegular() {
+					continue
+				}
+				// Pick newest file if multiple.
+				if picked == "" || fi.ModTime().After(pickedMod) {
+					picked = p
+					pickedMod = fi.ModTime()
+				}
+			}
+			if picked != "" {
+				return picked, nil
+			}
+		}
+	}
+
+	// 4) two-level prefix: objects/aa/<hash>
+	if len(hash) >= 2 {
+		p := filepath.Join(s.objects, hash[:2], hash)
+		if fileExists(p) {
+			return p, nil
+		}
+	}
+
+	// Fallback: recursive search
+	var best string
+	var bestMod time.Time
+
+	err := filepath.WalkDir(s.objects, func(p string, d fs.DirEntry, err error) error {
+		if err != nil {
+			// ignore per-entry errors
+			return nil
+		}
+		if d.IsDir() {
+			return nil
+		}
+		base := filepath.Base(p)
+		// Exact filename == hash
+		if base == hash {
+			best = p
+			// exact match is good enough; stop here
+			return fs.SkipDir
+		}
+		// If parent dir name is hash, consider it
+		parent := filepath.Base(filepath.Dir(p))
+		if parent == hash {
+			if fi, err := os.Stat(p); err == nil && fi.Mode().IsRegular() {
+				if best == "" || fi.ModTime().After(bestMod) {
+					best = p
+					bestMod = fi.ModTime()
+				}
+			}
+		}
+		return nil
+	})
+	if err == nil && best != "" {
+		return best, nil
+	}
+
+	return "", os.ErrNotExist
+}
+
+// fileExists true if path exists and is a regular file.
+func fileExists(p string) bool {
+	fi, err := os.Stat(p)
+	return err == nil && fi.Mode().IsRegular()
+}
+
+// Put writes/overwrites the blob at the content hash into the flat path.
+// (Nested layouts remain supported for reads/reindex, but new writes are flat.)
+func (s *FSStore) Put(hash string, r io.Reader) error {
+	p, err := s.pathFlat(hash)
+	if err != nil {
+		return err
+	}
+	if err := os.MkdirAll(filepath.Dir(p), 0o755); err != nil {
+		return err
+	}
+	tmp := p + ".tmp"
+	f, err := os.Create(tmp)
+	if err != nil {
+		return err
+	}
+	_, werr := io.Copy(f, r)
+	cerr := f.Close()
+	if werr != nil {
+		_ = os.Remove(tmp)
+		return werr
+	}
+	if cerr != nil {
+		_ = os.Remove(tmp)
+		return cerr
+	}
+	return os.Rename(tmp, p)
+}
+
+// Get opens the blob for reading and returns its size if known.
+func (s *FSStore) Get(hash string) (io.ReadCloser, int64, error) {
+	p, err := s.findBlobPath(hash)
+	if err != nil {
+		return nil, 0, err
+	}
+	f, err := os.Open(p)
+	if err != nil {
+		return nil, 0, err
+	}
+	st, err := f.Stat()
+	if err != nil {
+		return f, 0, nil
+	}
+	return f, st.Size(), nil
+}
+
+// Delete removes the blob. It is not an error if it doesn't exist.
+// It tries the flat path, common nested paths, then falls back to remove
+// any file found via findBlobPath.
+func (s *FSStore) Delete(hash string) error {
+	// Try flat
+	if p, _ := s.pathFlat(hash); fileExists(p) {
+		if err := os.Remove(p); err == nil || errors.Is(err, os.ErrNotExist) {
+			return nil
+		}
+	}
+	// Try common nested
+	dir := filepath.Join(s.objects, hash)
+	for _, cand := range []string{"blob", "data", "content"} {
+		p := filepath.Join(dir, cand)
+		if fileExists(p) {
+			if err := os.Remove(p); err == nil || errors.Is(err, os.ErrNotExist) {
+				return nil
+			}
+		}
+	}
+	if len(hash) >= 2 {
+		p := filepath.Join(s.objects, hash[:2], hash)
+		if fileExists(p) {
+			if err := os.Remove(p); err == nil || errors.Is(err, os.ErrNotExist) {
+				return nil
+			}
+		}
+	}
+	// Fallback: whatever findBlobPath locates
+	if p, err := s.findBlobPath(hash); err == nil {
+		if err := os.Remove(p); err == nil || errors.Is(err, os.ErrNotExist) {
+			return nil
+		}
+	}
+	// If we couldn't find anything, treat as success (idempotent delete)
+	return nil
+}
+
+// Walk calls fn(hash, size, modTime) for each blob file found.
+// It recognizes blobs when either:
+//   - the file name is a 64-char hex hash, or
+//   - the parent directory name is that hash (folder-per-post).
+//
+// If multiple files map to the same hash (e.g., dir contains many files),
+// the newest file's size/modTime is reported.
+func (s *FSStore) Walk(fn func(hash string, size int64, mod time.Time) error) error {
+	type rec struct {
+		size int64
+		mod  time.Time
+	}
+
+	agg := make(map[string]rec)
+
+	err := filepath.WalkDir(s.objects, func(p string, d fs.DirEntry, err error) error {
+		if err != nil {
+			return nil // skip unreadable entries
+		}
+		if d.IsDir() {
+			return nil
+		}
+		// Only consider regular files
+		fi, err := os.Stat(p)
+		if err != nil || !fi.Mode().IsRegular() {
+			return nil
+		}
+		base := filepath.Base(p)
+
+		// Case 1: filename equals hash
+		if isHexHash(base) {
+			if r, ok := agg[base]; !ok || fi.ModTime().After(r.mod) {
+				agg[base] = rec{size: fi.Size(), mod: fi.ModTime()}
+			}
+			return nil
+		}
+
+		// Case 2: parent dir is the hash
+		parent := filepath.Base(filepath.Dir(p))
+		if isHexHash(parent) {
+			if r, ok := agg[parent]; !ok || fi.ModTime().After(r.mod) {
+				agg[parent] = rec{size: fi.Size(), mod: fi.ModTime()}
+			}
+			return nil
+		}
+
+		// Case 3: two-level prefix layout e.g. objects/aa/<hash>
+		// If parent is a 2-char dir and grandparent is objects/, base might be hash.
+		if len(base) == 64 && isHexHash(strings.ToLower(base)) {
+			// already handled as Case 1, but keep as safety if different casing sneaks in
+			if r, ok := agg[base]; !ok || fi.ModTime().After(r.mod) {
+				agg[base] = rec{size: fi.Size(), mod: fi.ModTime()}
+			}
+			return nil
+		}
+		return nil
+	})
+	if err != nil {
+		return err
+	}
+
+	for h, r := range agg {
+		if err := fn(h, r.size, r.mod); err != nil {
+			return err
+		}
+	}
+	return nil
+}

internal/storage/fsstore.go

@@ -1,95 +0,0 @@
-package storage
-
-import (
-	"crypto/sha256"
-	"encoding/hex"
-	"errors"
-	"io"
-	"os"
-	"path/filepath"
-)
-
-type FSStore struct {
-	root       string
-	maxObjectB int64
-}
-
-func NewFSStore(root string, maxKB int) (*FSStore, error) {
-	if root == "" {
-		root = "./data/objects"
-	}
-	if err := os.MkdirAll(root, 0o755); err != nil {
-		return nil, err
-	}
-	return &FSStore{root: root, maxObjectB: int64(maxKB) * 1024}, nil
-}
-
-func (s *FSStore) Put(r io.Reader) (string, int64, error) {
-	h := sha256.New()
-	tmp := filepath.Join(s.root, ".tmp")
-	_ = os.MkdirAll(tmp, 0o755)
-	f, err := os.CreateTemp(tmp, "obj-*")
-	if err != nil {
-		return "", 0, err
-	}
-	defer f.Close()
-
-	var n int64
-	buf := make([]byte, 32*1024)
-	for {
-		m, er := r.Read(buf)
-		if m > 0 {
-			n += int64(m)
-			if s.maxObjectB > 0 && n > s.maxObjectB {
-				return "", 0, errors.New("object too large")
-			}
-			_, _ = h.Write(buf[:m])
-			if _, werr := f.Write(buf[:m]); werr != nil {
-				return "", 0, werr
-			}
-		}
-		if er == io.EOF {
-			break
-		}
-		if er != nil {
-			return "", 0, er
-		}
-	}
-	sum := hex.EncodeToString(h.Sum(nil))
-	dst := filepath.Join(s.root, sum[:2], sum[2:4], sum)
-	if err := os.MkdirAll(filepath.Dir(dst), 0o755); err != nil {
-		return "", 0, err
-	}
-	if err := os.Rename(f.Name(), dst); err != nil {
-		return "", 0, err
-	}
-	return sum, n, nil
-}
-
-func (s *FSStore) pathFor(hash string) string {
-	return filepath.Join(s.root, hash[:2], hash[2:4], hash)
-}
-
-func (s *FSStore) Get(hash string) (string, error) {
-	if len(hash) < 4 {
-		return "", os.ErrNotExist
-	}
-	p := s.pathFor(hash)
-	if _, err := os.Stat(p); err != nil {
-		return "", err
-	}
-	return p, nil
-}
-
-func (s *FSStore) Delete(hash string) error {
-	if len(hash) < 4 {
-		return os.ErrNotExist
-	}
-	p := s.pathFor(hash)
-	if err := os.Remove(p); err != nil {
-		return err
-	}
-	_ = os.Remove(filepath.Dir(p))
-	_ = os.Remove(filepath.Dir(filepath.Dir(p)))
-	return nil
-}

testdata/index.jsonl

@@ -0,0 +1,4 @@
+{"op":"put","hash":"a008a13ade86edbd77f5c0fcfcf35bd295c93069be42fdbd46bc65b392ddf5fb","bytes":110,"stored_at":"2025-08-22T03:00:00Z"}
+{"op":"put","hash":"9628e2adcd7a5e820fbdbe075027ac0ad78ef1a7a501971c2048bc5e5436b891","bytes":105,"stored_at":"2025-08-22T03:00:00Z","private":true}
+{"op":"put","hash":"6a166437b9988bd11e911375f3ca1b4cd10b7db9a32812409c6d79a0753dd973","bytes":98,"stored_at":"2025-08-22T03:00:00Z"}
+{"op":"put","hash":"f452402fadb6608bd6f9b613a1d58234e2135f045ea29262574e3e4b1e5f7292","bytes":46,"stored_at":"2025-08-22T03:00:00Z"}

testdata/objects/5dcfd2e73a6c3a17b0efb103f1a3b891fc06b0189a0c5d5916435d9e5d74e963

@@ -0,0 +1 @@
+{"title":"Timezone Publish","body":"You can now include your timezone on all of your posts. This is completely optional but lets others see when you posted"}

testdata/objects/6a/16/6a166437b9988bd11e911375f3ca1b4cd10b7db9a32812409c6d79a0753dd973

@@ -0,0 +1 @@
+{"title":"Yarn is Testing!","body":"Hello, my name is Yarn. And I like to test. Test test 1 2 3."}

testdata/objects/96/28/9628e2adcd7a5e820fbdbe075027ac0ad78ef1a7a501971c2048bc5e5436b891

@@ -0,0 +1 @@
+
<01><><EFBFBD>d<EFBFBD>+V<><56><EFBFBD>+<2B>%!ݚ<>O<EFBFBD><4F>2ޒ$)<07><>zF<7A>î<EFBFBD>)4<><34><EFBFBD>O:z<><7A>*<2A>Ыe<D0AB><65>*5<><04>)<29><>#<23>V<EFBFBD><0B>H<EFBFBD><48>!i<><69><EFBFBD>S$e<><65><EFBFBD>dx<64>]<5D><>$<24><1F>t<EFBFBD><74>6۩<><DBA9>H<EFBFBD><48>

testdata/objects/a0/08/a008a13ade86edbd77f5c0fcfcf35bd295c93069be42fdbd46bc65b392ddf5fb

@@ -0,0 +1 @@
+{"title":"Public Test","body":"Hello Everyone,\n\nWelcome to GreenCoast, a BlueSky Replacement\n\nMystiatech"}

testdata/objects/f4/52/f452402fadb6608bd6f9b613a1d58234e2135f045ea29262574e3e4b1e5f7292

@@ -0,0 +1 @@
+{"title":"Test post","body":"Does this work?"}