Rename desktop app to Buzz (#960)

Signed-off-by: Wes <wesbillman@users.noreply.github.com>
Co-authored-by: Pinky <44b8e82baa6e0e254e0208d68f335c283c94e7b78dd1fa10d5a49d3f13dd0435@sprout-oss.stage.blox.sqprod.co>

.env.example

@@ -1,5 +1,5 @@
 # =============================================================================
-# Sprout Backend — Local Development Environment
+# Buzz Backend — Local Development Environment
 # =============================================================================
 # Copy this file to .env and adjust as needed:
 #   cp .env.example .env
@@ -18,12 +18,12 @@
 # -----------------------------------------------------------------------------
 # Database (Postgres 17)
 # -----------------------------------------------------------------------------
-DATABASE_URL=postgres://sprout:sprout_dev@localhost:5432/sprout
+DATABASE_URL=postgres://buzz:buzz_dev@localhost:5432/buzz
 PGHOST=localhost
 PGPORT=5432
-PGUSER=sprout
-PGPASSWORD=sprout_dev
-PGDATABASE=sprout
+PGUSER=buzz
+PGPASSWORD=buzz_dev
+PGDATABASE=buzz
 
 # -----------------------------------------------------------------------------
 # Redis 7
@@ -33,23 +33,23 @@ REDIS_URL=redis://localhost:6379
 # -----------------------------------------------------------------------------
 # Typesense (search)
 # -----------------------------------------------------------------------------
-TYPESENSE_API_KEY=sprout_dev_key
+TYPESENSE_API_KEY=buzz_dev_key
 TYPESENSE_URL=http://localhost:8108
 
 # -----------------------------------------------------------------------------
 # Relay (WebSocket server)
 # -----------------------------------------------------------------------------
 # Bind address for the relay (host:port)
-SPROUT_BIND_ADDR=0.0.0.0:3000
+BUZZ_BIND_ADDR=0.0.0.0:3000
 # Public WebSocket URL — used in NIP-42 auth challenges
 RELAY_URL=ws://localhost:3000
 # Stable relay signing key. Set this in dev if you want REST-created forum posts
 # to keep resolving to the original author across relay restarts.
-# SPROUT_RELAY_PRIVATE_KEY=<32-byte hex private key>
+# BUZZ_RELAY_PRIVATE_KEY=<32-byte hex private key>
 # Optional: path to the web UI dist directory. When set, the relay serves
 # the web frontend at / for browser requests. Leave unset for local dev
 # (use `just web` for Vite HMR instead).
-# SPROUT_WEB_DIR=./web/dist
+# BUZZ_WEB_DIR=./web/dist
 
 # -----------------------------------------------------------------------------
 # Git (NIP-34 bare repositories)
@@ -57,7 +57,7 @@ RELAY_URL=ws://localhost:3000
 # Root directory for bare git repos. Repos are stored at
 # {path}/{owner_hex}/{repo_id}.git/. Default: ./repos (relative to CWD).
 # Set an absolute path to keep repos stable across worktrees.
-# SPROUT_GIT_REPO_PATH=./repos
+# BUZZ_GIT_REPO_PATH=./repos
 
 # -----------------------------------------------------------------------------
 # Ephemeral Channels (TTL testing)
@@ -65,125 +65,125 @@ RELAY_URL=ws://localhost:3000
 # Override the TTL for all ephemeral channels (in seconds). When set, any
 # channel created with a TTL tag will use this value instead of the
 # client-provided one. Unset to use the client-provided TTL.
-# SPROUT_EPHEMERAL_TTL_OVERRIDE=60
+# BUZZ_EPHEMERAL_TTL_OVERRIDE=60
 
 # How often the reaper checks for expired ephemeral channels (default: 60s).
-# SPROUT_REAPER_INTERVAL_SECS=5
+# BUZZ_REAPER_INTERVAL_SECS=5
 
 # -----------------------------------------------------------------------------
 # Logging / Tracing
 # -----------------------------------------------------------------------------
-RUST_LOG=sprout_relay=debug,sprout_db=debug,sprout_auth=debug,sprout_pubsub=debug,tower_http=debug
+RUST_LOG=buzz_relay=debug,buzz_db=debug,buzz_auth=debug,buzz_pubsub=debug,tower_http=debug
 
 # OTLP tracing endpoint (optional — leave unset to disable)
 # OTEL_EXPORTER_OTLP_ENDPOINT=http://localhost:4317
 
 # -----------------------------------------------------------------------------
-# ACP (Agent Communication Protocol — sprout-acp harness)
+# ACP (Agent Communication Protocol — buzz-acp harness)
 # -----------------------------------------------------------------------------
-# The ACP harness bridges Sprout events to AI agents. Each env var below maps
+# The ACP harness bridges Buzz events to AI agents. Each env var below maps
 # to a CLI flag of the same name (lowercase, hyphens → underscores). All values
 # are optional unless noted; defaults are shown in comments.
 #
 # Quick start:
-#   SPROUT_PRIVATE_KEY=<hex>  SPROUT_RELAY_URL=ws://localhost:3000  sprout-acp
+#   BUZZ_PRIVATE_KEY=<hex>  BUZZ_RELAY_URL=ws://localhost:3000  buzz-acp
 
 # ── Identity & auth ──────────────────────────────────────────────────────────
 # Nostr private key (hex or bech32). REQUIRED — identifies the agent on the relay.
-# SPROUT_PRIVATE_KEY=<32-byte hex or nsec1… private key>
+# BUZZ_PRIVATE_KEY=<32-byte hex or nsec1… private key>
 
 # Relay WebSocket URL the harness connects to.
 # Note: the relay itself uses RELAY_URL (above); this is the ACP harness's
 # connection target — they happen to point at the same place in local dev.
-# SPROUT_RELAY_URL=ws://localhost:3000
+# BUZZ_RELAY_URL=ws://localhost:3000
 
 # ── Agent subprocess ─────────────────────────────────────────────────────────
 # Binary to spawn as the AI agent (e.g. "goose", "codex-acp", "claude-code").
-# SPROUT_ACP_AGENT_COMMAND=goose
+# BUZZ_ACP_AGENT_COMMAND=goose
 
 # Comma-separated arguments passed to the agent binary.
 # Goose default: "acp". Codex/Claude default: "" (empty).
-# SPROUT_ACP_AGENT_ARGS=acp
+# BUZZ_ACP_AGENT_ARGS=acp
 
-# Binary for an optional MCP server sidecar (e.g. sprout-dev-mcp for sprout-agent).
-# SPROUT_ACP_MCP_COMMAND=
+# Binary for an optional MCP server sidecar (e.g. buzz-dev-mcp for buzz-agent).
+# BUZZ_ACP_MCP_COMMAND=
 
 # Number of parallel agent subprocesses (1–32).
-# SPROUT_ACP_AGENTS=1
+# BUZZ_ACP_AGENTS=1
 
 # Desired LLM model ID. Applied to every new ACP session.
-# Use `sprout-acp models` to discover available model IDs.
-# SPROUT_ACP_MODEL=
+# Use `buzz-acp models` to discover available model IDs.
+# BUZZ_ACP_MODEL=
 
 # ── Timeouts & sessions ──────────────────────────────────────────────────────
 # Max seconds per agent turn before timeout (default 320 = ~5 min).
-# SPROUT_ACP_TURN_TIMEOUT=320
+# BUZZ_ACP_TURN_TIMEOUT=320
 
 # Max turns per session before proactive rotation. 0 = disabled (rotate only
 # on MaxTokens / MaxTurnRequests). Recommended: 50 for long-running agents.
-# SPROUT_ACP_MAX_TURNS_PER_SESSION=0
+# BUZZ_ACP_MAX_TURNS_PER_SESSION=0
 
 # ── Prompts ──────────────────────────────────────────────────────────────────
 # System prompt injected into every agent session (inline text).
-# SPROUT_ACP_SYSTEM_PROMPT=
+# BUZZ_ACP_SYSTEM_PROMPT=
 
 # Path to a file containing the system prompt (mutually exclusive with above).
-# SPROUT_ACP_SYSTEM_PROMPT_FILE=
+# BUZZ_ACP_SYSTEM_PROMPT_FILE=
 
 # Message sent to the agent immediately after session creation.
-# SPROUT_ACP_INITIAL_MESSAGE=
+# BUZZ_ACP_INITIAL_MESSAGE=
 
 # ── Heartbeat ────────────────────────────────────────────────────────────────
 # Seconds between heartbeat prompts. 0 = disabled. Must be 0 or ≥10.
 # Recommended: 60 for long-running agents to prevent idle session timeouts.
-# SPROUT_ACP_HEARTBEAT_INTERVAL=0
+# BUZZ_ACP_HEARTBEAT_INTERVAL=0
 
 # Heartbeat prompt text (inline). Mutually exclusive with file variant.
-# SPROUT_ACP_HEARTBEAT_PROMPT=
+# BUZZ_ACP_HEARTBEAT_PROMPT=
 
 # Path to a file containing the heartbeat prompt.
-# SPROUT_ACP_HEARTBEAT_PROMPT_FILE=
+# BUZZ_ACP_HEARTBEAT_PROMPT_FILE=
 
 # ── Subscription & filtering ─────────────────────────────────────────────────
 # Subscribe mode: "mentions" (default), "all", or "config" (rule-based).
-# SPROUT_ACP_SUBSCRIBE=mentions
+# BUZZ_ACP_SUBSCRIBE=mentions
 
 # Comma-separated event kind numbers to subscribe to (overrides mode defaults).
-# SPROUT_ACP_KINDS=
+# BUZZ_ACP_KINDS=
 
 # Comma-separated channel UUIDs to limit subscription scope.
-# SPROUT_ACP_CHANNELS=
+# BUZZ_ACP_CHANNELS=
 
 # Set to true to disable the @-mention filter in mentions mode.
-# SPROUT_ACP_NO_MENTION_FILTER=false
+# BUZZ_ACP_NO_MENTION_FILTER=false
 
 # Path to TOML config file for rule-based subscriptions (config mode).
-# SPROUT_ACP_CONFIG=./sprout-acp.toml
+# BUZZ_ACP_CONFIG=./buzz-acp.toml
 
 # ── Dedup & self-ignore ──────────────────────────────────────────────────────
 # How to handle duplicate events: "queue" (default) or "drop".
-# SPROUT_ACP_DEDUP=queue
+# BUZZ_ACP_DEDUP=queue
 
 # Set to true to process the agent's own messages (default: ignore self).
-# SPROUT_ACP_NO_IGNORE_SELF=false
+# BUZZ_ACP_NO_IGNORE_SELF=false
 
 # ── Context ──────────────────────────────────────────────────────────────────
 # Max context messages fetched for thread replies and DMs (0–100). 0 = disabled.
-# SPROUT_ACP_CONTEXT_MESSAGE_LIMIT=12
+# BUZZ_ACP_CONTEXT_MESSAGE_LIMIT=12
 
 # ── Presence & typing ────────────────────────────────────────────────────────
 # Set to true to disable automatic online/offline presence status.
-# SPROUT_ACP_NO_PRESENCE=false
+# BUZZ_ACP_NO_PRESENCE=false
 
 # Set to true to disable typing indicators while the agent is processing.
-# SPROUT_ACP_NO_TYPING=false
+# BUZZ_ACP_NO_TYPING=false
 
 # ── Advanced tuning ──────────────────────────────────────────────────────────
 # Event channel buffer capacity (WebSocket → harness). Increase for
 # high-throughput agents. Minimum 1.
-# SPROUT_ACP_EVENT_BUFFER=256
+# BUZZ_ACP_EVENT_BUFFER=256
 
 # ── Legacy aliases ───────────────────────────────────────────────────────────
 # These are accepted for backward compatibility but the canonical names above
 # are preferred:
-#   SPROUT_ACP_PRIVATE_KEY  → SPROUT_PRIVATE_KEY
+#   BUZZ_ACP_PRIVATE_KEY  → BUZZ_PRIVATE_KEY