Update documentation for bd mol pour/wisp command structure

Updated all documentation and help text to reflect:
- bd pour → bd mol pour
- bd ephemeral → bd mol wisp
- bd ephemeral list → bd mol wisp list
- bd ephemeral gc → bd mol wisp gc

Files updated:
- docs/MOLECULES.md
- docs/CLI_REFERENCE.md
- docs/ARCHITECTURE.md
- docs/DELETIONS.md
- skills/beads/references/MOLECULES.md
- cmd/bd/mol_catalog.go
- cmd/bd/mol_current.go
- cmd/bd/mol_distill.go
- cmd/bd/cook.go

docs/ARCHITECTURE.md

@@ -275,7 +275,7 @@ open ──▶ in_progress ──▶ closed
 
 ```
 ┌─────────────────┐    ┌─────────────────┐    ┌─────────────────┐
-│ bd ephemeral create  │───▶│  Wisp Issues    │───▶│  bd mol squash  │
+│   bd mol wisp       │───▶│  Wisp Issues    │───▶│  bd mol squash  │
 │ (from template) │    │  (local-only)   │    │  (→ digest)     │
 └─────────────────┘    └─────────────────┘    └─────────────────┘
 ```

docs/CLI_REFERENCE.md

@@ -350,8 +350,8 @@ Beads uses a chemistry metaphor for template-based workflows. See [MOLECULES.md]
 | Phase | State | Storage | Command |
 |-------|-------|---------|---------|
 | Solid | Proto | `.beads/` | `bd mol catalog` |
-| Liquid | Mol | `.beads/` | `bd pour` |
-| Vapor | Wisp | `.beads/` (Wisp=true, not exported) | `bd ephemeral create` |
+| Liquid | Mol | `.beads/` | `bd mol pour` |
+| Vapor | Wisp | `.beads/` (Ephemeral=true, not exported) | `bd mol wisp` |
 
 ### Proto/Template Commands
 
@@ -370,32 +370,32 @@ bd mol distill <epic-id> --json
 
 ```bash
 # Instantiate proto as persistent mol (solid → liquid)
-bd pour <proto-id> --var key=value --json
+bd mol pour <proto-id> --var key=value --json
 
 # Preview what would be created
-bd pour <proto-id> --var key=value --dry-run
+bd mol pour <proto-id> --var key=value --dry-run
 
 # Assign root issue
-bd pour <proto-id> --var key=value --assignee alice --json
+bd mol pour <proto-id> --var key=value --assignee alice --json
 
 # Attach additional protos during pour
-bd pour <proto-id> --attach <other-proto> --json
+bd mol pour <proto-id> --attach <other-proto> --json
 ```
 
 ### Wisp Commands
 
 ```bash
-# Instantiate proto as ephemeral issue (solid → vapor)
-bd ephemeral create <proto-id> --var key=value --json
+# Instantiate proto as ephemeral wisp (solid → vapor)
+bd mol wisp <proto-id> --var key=value --json
 
 # List all wisps
-bd ephemeral list --json
-bd ephemeral list --all --json    # Include closed
+bd mol wisp list --json
+bd mol wisp list --all --json    # Include closed
 
 # Garbage collect orphaned wisps
-bd ephemeral gc --json
-bd ephemeral gc --age 24h --json  # Custom age threshold
-bd ephemeral gc --dry-run         # Preview what would be cleaned
+bd mol wisp gc --json
+bd mol wisp gc --age 24h --json  # Custom age threshold
+bd mol wisp gc --dry-run         # Preview what would be cleaned
 ```
 
 ### Bonding (Combining Work)

docs/DELETIONS.md

@@ -202,7 +202,7 @@ The 1-hour grace period ensures tombstones propagate even with minor clock drift
 
 ## Wisps: Intentional Tombstone Bypass
 
-**Wisps** (ephemeral issues created by `bd ephemeral create`) are intentionally excluded from tombstone tracking.
+**Wisps** (ephemeral issues created by `bd mol wisp`) are intentionally excluded from tombstone tracking.
 
 ### Why Wisps Don't Need Tombstones
 

docs/MOLECULES.md

@@ -128,8 +128,8 @@ For reusable workflows, beads uses a chemistry metaphor:
 ### Phase Commands
 
 ```bash
-bd pour <proto>                  # Proto → Mol (persistent instance)
-bd ephemeral create <proto>           # Proto → Wisp (ephemeral instance)
+bd mol pour <proto>              # Proto → Mol (persistent instance)
+bd mol wisp <proto>              # Proto → Wisp (ephemeral instance)
 bd mol squash <id>               # Mol/Wisp → Digest (permanent record)
 bd mol burn <id>                 # Wisp → nothing (discard)
 ```
@@ -227,10 +227,10 @@ bd close <id> --reason "Done"
 Wisps accumulate if not squashed/burned:
 
 ```bash
-bd ephemeral list           # Check for orphans
-bd mol squash <id>     # Create digest
-bd mol burn <id>       # Or discard
-bd ephemeral gc             # Garbage collect old wisps
+bd mol wisp list        # Check for orphans
+bd mol squash <id>      # Create digest
+bd mol burn <id>        # Or discard
+bd mol wisp gc          # Garbage collect old wisps
 ```
 
 ## Layer Cake Architecture
@@ -272,8 +272,8 @@ bd dep tree <id>                 # Show dependency tree
 ### Molecules
 
 ```bash
-bd pour <proto> --var k=v        # Template → persistent mol
-bd ephemeral create <proto>           # Template → ephemeral wisp
+bd mol pour <proto> --var k=v    # Template → persistent mol
+bd mol wisp <proto>              # Template → ephemeral wisp
 bd mol bond A B                  # Connect work graphs
 bd mol squash <id>               # Compress to digest
 bd mol burn <id>                 # Discard without record